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- The Day Boy and the Night Girl (redirect from The Romance of Photogen and Nycteris)The Day Boy and Night Girl, also referred to as The Romance of Photogen and Nycteris, is an 1882 fairy tale novel by George MacDonald. A version of this...8 KB (1,010 words) - 04:39, 1 September 2023
- Shell oil depot at Belgrade. July 3, 1944 Braşov The 32 BS bombed the Photogen oil refinery (formerly the Petroleum Refinery Transylvania). June 11 &...236 KB (4,020 words) - 01:31, 13 April 2024
in the bursts of light that jellyfish emit, start with a luciferin (a photogen) and ends with the light emitter (a photagogikon.) Luciferin, luciferase...32 KB (3,908 words) - 20:24, 18 April 2024- wide audience, she creates the music she wants make". The song "Day Boy: Photogen Sees the Moon" on the Moon side, and its counterpart on Sun, "Night Girl:...16 KB (1,475 words) - 22:56, 20 May 2024
- Rudolf (1867). "Erfindung eins Verfahrens, aus dem Erdwachse Paraffin, Photogen, Maschinenschmieröl und Wagenschmiere darzustellen". Pharmazeutische Zentralhalle...7 KB (684 words) - 21:37, 4 January 2024
- photogene photo- + -gen photogen (plural photogens) (chemistry) A light hydrocarbon oil resembling kerosene, used as a lubricant, illuminant, etc. (biology)
- The History of Photogen and Nycteris (1879) by George MacDonald 1194025The History of Photogen and Nycteris1879George MacDonald I: WATHO There was once