File:Union Pacific experimental steam turbine engines 1939.JPG

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Summary

Description	Publicity photo of Union Pacific steam driven electric turbine engines. From the description, these appear to be the 2 General Electric built engines the company ordered in 1938, received in 1939 and returned to GE as unsatisfactory in the year received. It is believed on receiving the engines back, GE dismantled them.
Date	Photo has an April 1939 date written on back
Source	eBay item photo front photo back
Author	Union Pacific Railroad.
Permission (Reusing this file)	PD-PRE1978. The photo has no copyright markings on it as can be seen in the links above.

Licensing

This work is in the public domain in the United States because it was published in the United States between 1929 and 1977, inclusive, without a copyright notice. For further explanation, see Commons:Hirtle chart as well as a detailed definition of "publication" for public art.
Note that it may still be copyrighted in jurisdictions that do not apply the rule of the shorter term for US works (depending on the date of the author's death), such as Canada (50 p.m.a.), Mainland China (50 p.m.a., not Hong Kong or Macao), Germany (70 p.m.a.), Mexico (100 p.m.a.), Switzerland (70 p.m.a.), and other countries with individual treaties.

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File history

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	Date/Time	Dimensions	User	Comment
current	16:49, 17 October 2011	932 × 590 (158 KB)	Renamed user 995577823Xyn	Another reupload due to display problem.
	16:48, 17 October 2011	932 × 590 (158 KB)	Renamed user 995577823Xyn	Reupload to fix display problem.
	16:47, 17 October 2011	932 × 590 (158 KB)	Renamed user 995577823Xyn	Photo has been cropped and exposure adjusted. Previous upload was to establish dating, source and that there are no copyright marks on it.
	16:46, 17 October 2011	1,000 × 1,604 (157 KB)	Renamed user 995577823Xyn	{{Information \|Description=Publicity photo of Union Pacific steam driven electric turbine engines. From the description, these appear to be the 2 General Motors built engines the company ordered in 1938, received in 1939 and returned to GM as unsatisfacto