The Tunnel Thru the Air; Or, Looking Back from 1940

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The Tunnel Thru the Air, Or, Looking Back from 1940 is a science fiction novel written by market forecaster William Delbert Gann in 1927.[1][2][3] In the Foreword, Gann hinted that this book is more than just a novel because it "contains a valuable secret, clothed in veiled language. Some will find it the first time they read it, others will see it in the second reading, but the greatest number will find the hidden secret when they read it the third time." Some traders believe Gann has encoded some techniques of financial astrology into this book,[4][5][6] and some even claim that they have devoted a lifetime to study this text.[7][8]


The story is roughly divided into two parts: before and after 1927, the year in which it was written. The story began in the late evening of 9 June 1906, when the protagonist Robert Gordon was born. The early part of the book is mostly about the early life of Robert, including how he found and lost his true love, Marie Stanton, who was born on 6 October 1908.[9] The loss of Marie Stanton inspired Robert to become the greatest inventor in history. After 1927, the book describe an imaginary war from April 1930 to July 1932, in which Robert single-handedly help the United States to win with his amazing inventions.

The imaginary war and its hidden meaning[edit]

The imaginary war vs. the Great Depression[edit]

Some writers,[4][10] including W.D.’s grandson John L. Gann,[11] think that the imaginary war in the book was a prediction of the Second World War. However, the war in the book was from 1930 to 1932, whereas the Second World War started about ten years later. Therefore, unless Gann was making a very serious mistake, he could not be referring to it. Since there was no war against the US in 1930 in actual history, some believe that it was Gann’s prediction for the Great Depression in the form of a metaphor.[12][13] Below is a table comparing the timeline of the imaginary war and the Great Depression:

Timeline of the Tunnel Thru the Air vs. The Dow 1930-1932
Date Event The Dow
Fall 1929 Spain and Japan were threatening the United States. The famous 1929 crash.
Apr 1930 Japan declared war with the United States, and attacked the East Coast. A major top below 300 after the 1929 crash.
1 Aug 1930 El Paso was bombed. A lower top below 250 after the one in April.
24 Jun 1931 Cairo, IL destroyed. Falling below 150.
2 Aug 1931 St. Louis attacked. A top around 150.
2 Oct 1931 Chicago attacked. Falling below 100.
15 Oct 1931 Robert became the Supreme Commander of the US army. Rally back above 100.
24 Nov 1931 US fought back. Struggling above 100
7 Dec 1931 Detroit attacked. Falling below 90.
6 Jun 1932 Boston attacked. Approaching 50.
8 Jun 1932 Battle of NYC. Support around 50.
4 July 1932 The US won the war against the world, and a 3-day holiday followed. The end of the long bear market on 8 Jul 1932.
30 August 1932 Robert reunioned with Marie. Getting back above 50.

Transits to the 1776 US independence chart[edit]

Bonnie Hill[5] found that all the turning points of the imaginary war in the book were related to transits to the US chart, mostly by Mars. Hill also noted that Gann was using the Gemini-rising chart of the US Independence, which was also used by other famous astrologers.[14] (* Note: the transits with Pluto are crossed out below, because it was not yet discovered by 1927 when the book was written.)

Date Page # Action Astrological Reasons
Apr 1930 277 Japan attacked the United States G Mars 90 N Mars (Apr 11th)

G Mars 180 N Neptune

G Uranus 90 N Sun

1 Aug 1930 285 El Paso was bombed G Mars 30 N Sun
24 Jun 1931 311 Cairo, IL destroyed G Mars 30 N Mean North Node

G Pluto 60 N Neptune*

2 Aug 1931 315 St. Louis attacked G Mars 15 N Saturn

G Pluto 30 N Mars*

2 Oct 1931 320 Chicago attacked G Mars 105 N Mercury
321 CBOT destroyed G Pluto 30 N ASC*
15 Oct 1931 338 US defied enemy G Sun 120 N Mars

G Neptune 90 N ASC

24 Nov 1931 347 US fought back G Mars 60 N Moon
7 Dec 1931 349 Enemy attacked Detroit G Mars 30 N Pluto*

G Saturn 150 N Mars

6 Jun 1932 358 Enemy attacked Boston G Mars 90 N Moon
8 Jun 1932 362 Battle of NYC G Mars 30 N Mars

G Uranus 150 N Neptune

4 Jul 1932 383 Enemy attacked Washington DC G Mars 0 N ASC

G Mars 0 N Uranus

30 Aug 1932 407 World Peace Conference in NYC G Venus 30 N Mars

Encoding techniques[edit]


Petter Ivar Amundsen[15][16] believes that the title of the book is an anagram. He replaced the “1940” in the title with the following letters:

  • The number “0” is replaced by the letter “O”.
  • The remaining numbers 1, 4, 9 are worked in the following ways:
    • 1 x 9 x 4 = 36, 3 x 6 = 18, and the 18th letter is “R”
    • 1 & 9 are “19”, and the 19th letter is “S”
    • 9 + 4 = 13, and the 13th letter is “M”

He rearranged the letters, and the title became “From the Lunar Return, Looking back to His Mother”. Amundsen noted that Marie disappeared on 5 June 1927, when the Moon was in Leo, and she reappeared on 30 August 1932, when the Moon was in Leo again.

He also noted that the date of the Foreword was 9 May 1927, which was 1940 days before the end of the novel, 30 August 1932.

Book cover[edit]

The original 1927 book cover depicts some planes flying around a tunnel in the sky. Paul Nipperess[17] notices that the number and location of planes displays some Fibonacci relationships.

Fake quotes[edit]

There are a number of quotes in the book which are unclear if they are really said or written by the person.[7] For example, on page 191, Gann “quoted” Pythagoras in the following passage: “‘There are in woman’s eyes two sorts of tears, the one of grief; the other of deceit.’ I think that is because there are two kinds of men, one who appreciates love and honor and gives sympathy; the other kind who is selfish, expects something for nothing and must meet with deceit.” Brian Sklenka[7][12] thinks that Gann was trying to draw the readers’ attention to the Pyathagoras, and the numbers “two” and “one”, indirectly hinting that the octave theory discovered by the Greek philosopher.

Similarly, on page 192, Gann included the following “quote” from Southey, “There are three things a wise man will not trust, the wind, the sunshine of an April day and a woman’s plighted faith.” Again, it is an association of the British poet and the number “three”, which is an indirect reference to his famous story Goldilocks and the Three Bears. Some esoteric writers like S. J. Pasagic[18] believes that the story is a hidden reference to the Law of Three (see the teachings of George Gurdjieff).

Page numbers[edit]

Many believe that Gann used the pages numbers in the 1927 original edition to encode some of his secrets.[19][6] Here are some examples that the page number is related to the information on that page:

Page Number Content of the Page Remarks
12 This is a part of Chapter 2 in which Robert's mother expressed that “Bobbie had advanced ideas fully a hundred years ahead of his time and that he should be educated and allowed to follow his own ideas”. The page number (12) to the chapter number (2) is 144. Gann has a tool called the Square of 144 which he considered to be one of the most important.[7]
22 The phrase “heart jump right up in his throat” appeared three times in book, on page 22, 116 and 241. 116/22 is roughly equal to 5.2, or two times of 2.618, the square of the golden ratio 1.618. Similarly, 116/241 is about 48 percent, or subtract it from one makes 52 percent.
26 Robert met his love rival, Edward Mason. Edward was actually the first name of Gann's astrologer, Edward Johndro, and the Masons work with esoteric mathematics. In addition, 26 refers to the square of the golden ratio 1.618, or 2.618.[20]
56 It is the only page in the book on which the word "eclipse" appears. 56 years are about three Saros cycles and considered one complete cycle of eclipses.
69 Robert explicitly stated that he believes in “the signs and the stars” and hinted that are astrological references in the Holy Bible. 69 is the astrological symbol of Cancer. This is where Robert's natal Venus was, and it would be later transited when he confessed his feelings to Marie.
75 It is the start of the seventh chapter, Future Cycles. It is the only place in which Gann openly discussed his method. There are 418 pages in the book, and 418 - 75 = 343, and 343 is the cube of 7 (the chapter number). By the way, 343 is about half of the geocentric Mars cycle.
120 Marie Stanton disappeared at 3 am on 5 June 1927. The number “3” is hidden in this passage in the following ways:
  • First of all, a Grand Trine appeared on the sky, where the planets are 120 degrees apart, and 120 is 1/3 of 360.
  • Also, 5+6+1+9+2+7 = 30 which is reduced to 3 in numerology.
  • By then, Robert was about 21 years old, and 2+1=3.
  • Not to mention that the time was 3 am.
224 Robert made his first plane. One heliocentric cycle of Venus is 224 days, and it is believed to be related to the symbolism of the plane.
288 The US won their first battle since the start of the imaginary war on 3 August 1930. There are 418 pages in the book, and 418 - 288 = 130. The Sun was at 130° in longitude (or 10° Leo) on that day.
418 The last page of the book. The diagonal of the Giza Pyramid has a length of 418 Royal Cubits.[21]

The disappearance of Marie Stanton[edit]

One of the main story line in the novel is that Marie suddenly left Robert in 1927, and she reappeared at the end of the book in 1932. It turns out that all dates related to this incident are related to the positions of Venus, Mars and the Moon:[5]

  1. Texarkana, June 5, 1927, 3 am. The moment of parting Marie and Robert. The conjunction of Mars and Venus in Cancer, the Moon at the time of the onset of the event in 28 degrees of Cancer.
  2. Paris, late February 1929. The illusion of meeting Robert and Marie. The conjunction of Mars and Venus in Cancer on a heliocentric chart. Moon Return on the geo-map.
  3. New York, August 30, 1932, 11 am. Meeting Robert and Marie. Lunar return. The connection of Mars and Venus is very close to Cancer.

Weather forecasting along the Mississippi River[edit]

In 1994, retired engineer Bonnie Lee Hill did a public seminar in which she revealed some astrological methods concealed in the Tunnel Thru the Air.[5] Some of the trading rules used by Gann are related to the weather in the area around the Mississippi River, and they are listed below:

Rule (as coined by Hill) Planets Time Window Aspect Formed Details Implication in Cotton Prices
Wet Cotton Farmer Uranus and Neptune Before mid-April of each calendar year Multiples of the 8th (45°) or 12th (30°) harmonic If the two planets in question form any of the given aspects within the stated time window, then the Mississippi River will flood in that year. The supply would decrease and the price would go up.
Poor Cotton Farmer Jupiter and Neptune If the two planets in question form any of the given aspects within the stated time window, then the rainfall along the Mississippi will be ideal to grow crops. The supply would increase and the price would fall.
Dry Cotton Farmer Saturn and Neptune If the two planets in question form any of the given aspects within the stated time window, then the Mississippi River area will experience horrible drought. The supply would decrease and the price would go up.

The last rule ("Dry Cotton Farmer") was actually not mentioned at all in the book. It was deduced by Hill after she discovered the first two rules. Here are some actual examples from Hill's lecture:

Wet Cotton Farmer (Uranus-Neptune)[edit]

  • In 1735, geocentric Uranus opposite Neptune. Over ninety percent of New Orleans was under water. The entire region was drastically affected by the flooding in the Delta.
  • In 1762, geocentric Uranus 135° with Neptune. This was a major flood. For instance,the flood level in the city of Cincinnati was up 80 feet. The top of a church steeple was the only thing sticking out of the water in the little town of Cincinnati.
  • In 1821 (geocentric Uranus conjunct Neptune), we had another major flood. They called it the “worst flood of the century”. The reporters said that they had no words to describe the damage from this flood. They couldn't even estimate the cost of the damage. People decided give major sections of land back to the Mississippi River. They would not farm the land, and they would not build towns on the land. The people realized that the Mississippi River would always “win”.
  • The next flood in the table occurred in 1881 (geocentric Uranus trine Neptune). Please notice that we had a major flood in 1881, and another major flood in 1882. Due to retrogradation, we had the same aspect (geocentric Uranus trine Neptune) on Feb 26, 1881 and April 8, 1882. There are cases in which we had major floods three years in a row because the same aspect occurred in the spring of all three years. The floods in 1881-1882 were very famous. Mark Twain was alive during that time. He actually went down the Mississippi River on a steam boat, and said the Mississippi River was 75 miles wide at that time. The channel of the Mississippi River was 75 miles wide.
  • The next flood in the table occurred in 1907 (geocentric Uranus opposite Neptune). This is the flood mentioned by Gann in The Tunnel Thu the Air. Please notice that we had a flood in 1907, and in 1908. Why? The same aspect occurred in the spring of both years.
  • The next big flood occurred in 1927 (geocentric Uranus 150 Neptune). This is the one that Gann predicts in The Tunnel Thru the Air. They had a late spring and a major flood. There was over $284 million in damage. It was estimated that 240 billion gallons of water came down the Mississippi River that spring. They had 1.8 million acres of land under water. A lot of people feel that this was one of the major causes of the Great Depression; the flood destroyed the economy through the Mississippi basin. This totally destroyed the cotton crops.
  • The next major flood occurred in 1935 (geocentric Uranus 135 Neptune). The same aspect occurred in the spring of 1936, and a second flood occurred. The flood in 1936 caused $270 million in damage.
  • In 1943, geocentric Uranus trine Neptune. A major flood occurred which caused $172 million in damage. In 1973, we saw geocentric Uranus semi-square Neptune. A major flood caused $420 million of damage. October cotton hit a high price of 99 cents at this time. In 1979, a major flood occurred. Geocentric Uranus was semi-sextile Neptune on March 31, 1979.
  • In 1993, geocentric Uranus was conjunct Neptune on February 2. What happened in 1993? The same thing that occurred in 1821, approximately 173 years earlier. Once again, the Mississippi River looks like an inland lake. Many, many acres are under water and they are currently discussing buying the land from the farmers, giving it back to the river, and saying we won't grow crops there again and we won't build buildings there again. The ticket for this flood at the time of the seminar was $12 billion.

Poor Cotton Farmer (Jupiter-Neptune)[edit]

  • In 1844, cotton had an extreme low of 5 cents a pound. Geocentric Jupiter was semi-sextile Neptune on April 27, 1844. Since this is rain during the growing season, you will find this class of aspects can happen a little later in the season. It's not required that they be more like January or February. They can be more like March–April.
  • On March 2, 1851, geocentric Jupiter was 135 degrees from Neptune. Cotton hit an extreme low of 8.25 cents in January 1852.
  • On April 7, 1857, geocentric Jupiter was semi-sextile Neptune. Cotton hit an extreme low of 9.25 cents in January 1858.In 1871, cotton hit the lowest low it had ever hit since 1860 (13.50 cents).
  • On April 8, 1871, geocentric Jupiter was sextile Neptune. In 1873, cotton hit another major low of 13.80. Geocentric Jupiter was trine Neptune on March 3, 1873.
  • Cotton hit another major low (6.20 cents) in 1896. Geocentric Jupiter was semi-square Neptune on February 26, 1896.
  • Geocentric Jupiter was square Neptune on March 14, 1904. This was a major low in cotton prices. On July 19, cotton sold for 6.85. The cotton farmers were so disgusted that they burned the cotton in the fields. They did not even go to the effort of harvesting it. Hundreds of cotton farmers abandoned their farms and left. It was not worth cotton farming again. No one would ever want cotton ever again. They gave up.
  • Very low cotton prices occurred in 1920. Geocentric Jupiter was conjunct Neptune on March 8, 1920.
  • On April 17, 1926, geocentric Jupiter was opposite Neptune. In March 1927, cotton hit a low of 11.80. The government reports showed a record crop.
  • Cotton hit a major low of 25.20 cents in December 1970. Geocentric Jupiter was semi-sextile Neptune on April 29, 1970.Cotton hit a major low of 26.59 in December 1972.
  • On March 10, 1972, geocentric Jupiter was again semi-sextile Neptune.Cotton hit a major low of 29.99 in July–August 1986.
  • On March 16, 1986, geocentric Jupiter was sextile Neptune.

Dry Cotton Farmer (Saturn-Neptune)[edit]

  • In 1761, we had a major drought in the country. Geo Saturn was 135 degrees from Neptune on April 13, 1761. The next year, geo Saturn was again 135 degrees from Neptune on February 6, 1792. We had another major drought in 1762.
  • On April 13, 1816, geocentric Saturn was sextile Neptune. There was a major drought and crop failure in 1816.
  • On January 14, 1860, geocentric Saturn was inconjunct Neptune. The year 1860 is famous for the Kansas drought. Hundreds of people moved to Kansas tostart over. They planned to start farming, and make a fortune. Many of these farmers gave up and left Kansas after the drought of 1860. They said you just can't make it in Kansas.
  • On March 11, 1863, geocentric Saturn was opposite Neptune. There was a major drought. Cotton hit the highest price it had ever seen 91 cents. That is 91 cents in 1863 dollars. Why was cotton so high? First, there was a major drought. Second, the Civil War was disrupting the economy.
  • On February 1, 1869, geocentric Saturn was trine Neptune. In 1869, cotton hit a high of 35 cents before a huge decline in price.
  • On January 31, 1903, geocentric Saturn was inconjunct Neptune. The drought was so severe that cotton farmers planted their crops in a different manner. There was a little bug that grew in certain crops, and the farmers planted those crops next to the cotton. This little bug was called the boll weevil, and it decided that cotton tasted much better than the other crops. Suddenly, the cotton farmers had a major boll weevil infestation. The drought helped to cause a long-term problem with boll weevils.
  • A drought occurred in 1910, and on January 24 geocentric Saturn was square Neptune.
  • A drought occurred in 1930, and on December 29, 1929 geocentric Saturn was trine Neptune.
  • Geocentric Saturn was 135 degrees Neptune on February 21, 1931. A drought occurred in 1931.
  • The drought in 1933 was the famous Oklahoma Dust Bowl. On February 13, 1933, geo Saturn was inconjunct Neptune.

The Major Motors campaign[edit]

From page 197 to 199, the book described how Robert traded the shares of a company called “Major Motors”. It is in fact an alias for General Motors, just as there is another company in the story called “Major Electric”, which refers to General Electric. Quoting from page 197:

“On Sunday, June 19, 1927, Robert Gordon spent the day studying his charts and working out his cycles for stocks, cotton and grain. He was short of Major Motors and was watching it very closely. On this day he made a new and great discovery of a time factor from which he figured that Major Motors would decline until about June 30th and then start an advance which would last until about September 16th, 1927, when the Company would be 19 years old and at that time the stock would reach final high and would then go down to February to April, 1929. He figured that the stock should advance to around 270 by September 16th and made up his mind to watch it closely and cover his shorts if it went down around June 30th, and then start buying the stock.”

Detailed trades and their astrological aspects[edit]

Bonnie Hill[5] detailed the exact trades and their related astrological aspects as below, including both lunar aspects and transits to the GM incorporation chart on 17 Sep 1908: (* Note: the transits with Pluto below are crossed out, because it was not yet discovered by 1927 when the book was written.)

Date Action Astrological Aspects Lunar Aspects
30 Jun 1927 Buy GM @ 192.50

Major Bottom

G Sun 150 N ASC

G Sun 30 N Venus

G Sun 90 N Saturn

G Venus 30 N MC

G Mars 30 N Mars

G Moon max North

One day after total solar eclipse

15 Jul 1927 Buy GM @ 204

Start pyramid

G Sun 135 N ASC

G Mars 30 N MC

G Jupiter 0 Uranus

G Moon max South

Full Moon

21 Jul 1927 Buy GM @ 214 G Mars 135 N Uranus G Moon 0 North

Quarter Moon

26 Jul 1927 Buy GM @ 224 G Mercury 135 N ASC

G Mars 0 N Jupiter

G Moon max North
5 Aug 1927 GM up to 230

Raised stop to 225

G Mars 90 N ASC

G Saturn SD

Quarter Moon
8 Aug 1927 Stop loss was hit G Venus 75 N ASC

G Venus 0 South

12 Aug 1927 Buy GM @ 218 G Venus 0 N MC

G Jupiter 0 G Uranus

G Mercury Leo

Full Moon
20 Aug 1927 Buy GM @ 228 G Venus SR Quarter Moon
24 Aug 1927 Buy GM @ 238 G Mercury 105 N ASC

G Sun 0 N Jupiter

G Sun Virgo

G Moon max South
26 Aug 1927 Buy GM @ 248 G Venus 0 N MC New Moon
7 Sep 1927 GM is at 253 G Pluto 0 N Neptune *

G Mercury 0 Venus

G Moon max South
14 Sep 1927 Buy GM @ 258 G NN 90 N Sun

G Mars 0 South

G Mars 180 G Uranus

G Mercury Libra

G Moon 0 North
16 Sep 1927 Sell GM @ 272

Birthday of GM

G Sun 0 N Sun

G Mercury 0 South

G Uranus 0 South

Regarding this plethora of astrological aspects, Hill only had the following to comment:

  • A major bottom occurs when geocentric Sun is square natal Saturn.
  • Gann sells when geocentric Sun is conjunct the natal Sun, and two planets are at zero South declination.

Other than that, she did not go further to separate the wheat from the chaff, and delineate how other traders could apply this cluster of seemingly unrelated aspects to their trading.

Relationship to eclipses[edit]

Gann strongly hinted at the astrological influence when he stated that Major Motors’ share price would rise during this period because of “a new and great discovery of a time factor” which would make the price to stop declining “about June 30th”. Daniel Ferrera[22] noted that there was a total solar eclipse on 29th June, 1927, and Saturn was going retrograde. By the middle of September that year, Saturn had turned direct and returned to its spot during the eclipse. Also, this total eclipse fell with the Sun Square to natal Saturn. This is a seemingly very negative aspect, but Ferrera explains that the Natal Saturn was retrograde, and when a planet is retrograde, aspects are reversed that good aspects such as trines and sextiles become negative and bad aspects such as squares & oppositions become positive.

Ferrera also pointed out that, prior to the first trade on 30 Jun 1927, the total lunar eclipse on 15 Jun created some negative transits, because the Moon was in exact opposition to natal Pluto, and the Sun Square to the natal Sun. This is why Gann expected the price to decline into 30 Jun 1927 (except that, of course, Gann could not have been aware of Pluto, as it was discovered in 1930).

Relationship to the Gann angles and the Hexagon chart[edit]

As James Smithson noted,[19] Robert forecasted that Major Motor's share price would rise between June 30 and September 16, 1927 due to positive astrological influences. This is a period of 78 days, during which he forecast that the price would rise from 192½ to 270, which rounds up to 78 points. After a rise of 78 points in 78 days (i.e. 1×1 Gann angle) time and price would be squared and the uptrend would end. Similarly, Daniel Ferrera[22] noted that the bottom price of $192½ is in opposition to Jupiter & Uranus on the Gann Hexagon Chart, whereas the final price of $270 conjoins Jupiter and Uranus on the same chart, a complete 180° movement.

The cotton campaign[edit]

From page 195 to 197, the book goes into details how Robert traded cotton in 1927. Quoting from page 195 of the book: “After Robert had sold out his October cotton at 17.30 and his December cotton at 17.50 on June 10th, he decided to watch the market very closely for a few days because he thought it would go lower. His forecast indicated last buying level around June 25th. He figured that after this time the market would go higher until September 5th to 6th, when he figured it would be final high.”

Relationship to the Wet Cotton Farmer rule[edit]

As indicated in the previous section, Bonnie Hill[5] noted that Uranus was inconjunct with Neptune in that Spring, which would predict that a flood was coming and the cotton price would go up.

Relationship to the Gann angles[edit]

Peter Palaskas[23] found that the support line is related to the 1×1 angle whereas the resistance is related to the 4×1 angle.

Relationship to eclipses[edit]

Peter Palaskas[23] found that the entry dates are related to the two solar eclipses on 3rd Jan and 29th Jun 1927.

Declination of major planets[edit]

In addition to the ecliptic longitude, cycles are also found by declination of the planets.[5] On page 79, Gann wrote, “History shows that in 916 agriculture in the British Isles was at its lowest ebb and that there was great scarcity of wheat and corn. Very few people were engaged in tilling the soil on account of wars. The same conditions prevailed 1000 years later in 1916 and 1917, when this country was called on to furnish food to starving Europe and send men and money to save their armies from defeat.” Bonnie Hill[5] explained that the common factor in 916 and 1916 is that geocentric Saturn was at maximum North declination in March. Since Saturn's sidereal year is 29.457 years, it is very uncommon for it to be at maximum North declination in March. Like the weather rules above, the astrological “sign” occurs in the spring.

Also, on page 202, Gann discussed the great bull market from 1924 through 1927, “He went back into the stock market and in the great Coolidge Bull Campaign from 1924 to 1927 was again a dominant factor in General Motors and other stocks and was reputed to have made fifty millions, or more.” Checking the geocentric ephemeris, and Hill[5] found that in March–April 1924, geocentric Jupiter was at max South declination, and geocentric Uranus in South declination during all of 1924. On July 8, 1927 geocentric Jupiter was at 0 North declination, and on May 1, 1927, geocentric Uranus was at 0 North declination. The declination of both planets was “increasing” during the 1924-1927 bull market.


  1. ^ Gann, William Delbert (1927). The Tunnel Thru the Air; Or, Looking Back from 1940. New York, NY: Financial Guardian Publishing Company.
  2. ^ "The tunnel thru the air; or, Looking back from 1940". The Internet Archive. Retrieved 10 Feb 2018.
  3. ^ "The Tunnel Thru the Air, Or, Looking Back from 1940". Google Books. Retrieved 10 Feb 2018.
  4. ^ a b Novak-Reich, Pauline (21 Oct 2013). "Unlocking W.D. Gann's 'The Tunnel Thru the Air'". Futures. Retrieved 10 Feb 2018.
  5. ^ a b c d e f g h i Hill, Bonnie Lee (1 Feb 2006). "The 1994 Tunnel Lecture". Retrieved 10 Feb 2018.
  6. ^ a b Rosecast School of Financial Astrology. "Learn Astrology with "The Tunnel Thru the Air"". Rosecast. Retrieved 10 Feb 2018.
  7. ^ a b c d Sklenka, Brian. "Twenty Years of Studying Gann" (PDF). Retrieved 10 Feb 2018.
  8. ^ Burton, David K. "D.K Burton". School of Gann. Retrieved 10 Feb 2018.
  9. ^ Burton, David K. (26 Sep 2017). "W.D. Gann's Mundane Seasonal Cycles". Your Trading Edge. Retrieved 18 Feb 2018.
  10. ^ Smithson, James (Spring 2001). "The Time Factor of W.D. Gann". Traders World. 30: 25–28.
  11. ^ John L, Gann. "The Remarkable W.D. Gann". Webtrading. Retrieved 17 Feb 2018.
  12. ^ a b Sklenka, Brian; Baker, Lorin (2005). "Methods of W D Gann Conference Handout". Retrieved 16 Feb 2018.
  13. ^ Sklenka, Brian James (2002). Six - The Proper Background. WITS Publishing.
  14. ^ Louis, Anthony (11 Nov 2016). "Mystery Solved: the USA Gemini Rising Chart". Anthony Louis - Astrology & Tarot Blog. Retrieved 15 Feb 2018.
  15. ^ Amundsen, Petter Ivar (1996). "A Moon Beam Thru the Tunnel". Retrieved 10 Feb 2018.
  16. ^ ""The Tunnel Thru The Air or Looking Back from 1940" W.D. Gann (1927)". Retrieved 13 Feb 2018.
  17. ^ Nipperess, Paul (2004). "Introduction to Gann Signs" (PDF). Retrieved 13 Feb 2018.
  18. ^ Pasagic, S. J. (2011). Ancient Whisper. Pittsburgh, PA: RoseDog Books. ISBN 9781434975454.
  19. ^ a b Smithson, James (2016). "James Smithson on WD GANN". XL Trader. Retrieved 10 Feb 2018.
  20. ^ Krishnapvm Gann Predictions and Articles. "My Analysis of the Novel Tunnel Thru The Air Or Looking Back From 1940 Written by Legendary Trader and Predictor W.D. Gann". Retrieved 13 Feb 2018.
  21. ^ Smyth, Charles Piazzi (2012) [First published 1864]. Our Inheritance in the Great Pyramid. Cambridge, UK: Cambridge University Press. ISBN 978-1-139-17654-5.
  22. ^ a b Ferrera, Daniel T. (2001). Mysteries of Gann Analysis Unveiled!. Santa Barbara: CA: Sacred Science Institute.
  23. ^ a b Palaskas, Peter. "Analysis of Robert Gordon's trades, from the book Tunnel Thru The Air - Part 1". Timing Solution. Retrieved 17 Feb 2018.