Single Center

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Single Center
FormerlySingle Center Spring Buggy Company
Founded1886; 135 years ago (1886)
  • Willis Copeland
  • Thomas B. Jones
  • J. O. St. John
Defunct1908 (1908)
United States
Key people

Single Center Spring Company was an American automobile manufacturer based in Evansville, Indiana.[1]


The company was founded in 1886 as the Single Center Spring Buggy Company[2] by Willis Copeland with partners Thomas B. Jones and J. O. St. John.[3]

Initially they manufactured springs but expanded into transmissions and carriages.[3] Starting around the turn of the century they began manufacturing automobiles against the wishes of Jones and St. John who subsequently left the company.[1]

In 1903 they manufactured an automobile designed by Schuyler W. Zent branded Zentmobile. Zent had operated the Zent Automobile Manufacturing Company from 1900 to 1902 and would return to it in 1904.[3] From 1906 Single Center produced vehicles for the Windsor Automobile Company.[1]

Copeland was joined by a new partner in 1906, W. O. Worth, operator of the Worth Motor Car Manufacturing Company. From 1906 to 1908 Single Center sold automobiles designed by Worth under the Single Center nameplate.[1]

Copeland went on to found the Evansville Automobile Company in 1908.[1]

Single Center automobiles[edit]

There were two models of the Single Center mark sold from 1906–1908: the 12 HP and the 15/17 HP. The Single Center 12 HP was an open buggy construction while the Single Center 12/15 HP had a roadster body.[1] The latter was advertised as being "not a buggy but a racy-looking automobile runabout". Its top speed was up to 30 mph (48 km/h).

Both models were friction-drive,[2] flat-twin-engined[1] high wheelers with solid rubber tires.[3]


  1. ^ a b c d e f g Kimes, Beverly Rae; Clark, Henry Austin, eds. (1996). Standard Catalog of American Cars, 1805–1942. Krause Publications. ISBN 978-0-87341-428-9.
  2. ^ a b "Single Center Spring Buggy Company". Evansville Vanderburgh Public Library Digital Archives. Retrieved 16 October 2021.
  3. ^ a b c d Georgano, Nick, ed. (2000). The Beaulieu encyclopedia of the automobile. Chicago: Fitzroy Dearborn Publishers. ISBN 1-57958-293-1. OCLC 45369199.

Further reading[edit]