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Summary
| Description |
English:
US President Calvin Coolidge (left) presents the 1927 Collier Trophy (center) to aeronautical engineer Charles L. Lawrance (right), president of the Wright Aeronautical Corporation, for the development of the air-cooled radial engine. US Army and Navy aviation officials in background. Photo taken on the lawn of the White House, Washington, D.C., March 1928.
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| Source | https://airandspace.si.edu/collection-objects/coolidge-calvin-lawrance-charles-l-collier-robert-j-trophy-1920s-photograph | |||
| Author | Underwood & Underwood of Washington DC | |||
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Licensing
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This work is in the
public domain
in the United States because it is a
work prepared by an officer or employee of the United States Government as part of that person’s official duties
under the terms of
Title 17, Chapter 1, Section 105
of the
US Code
.
Note
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,
territory
, commonwealth, county, municipality, or any other subdivision. This template also does not apply to postage stamp designs published by the
United States Postal Service
since 1978
. (See §
313.6(C)(1)
of Compendium of U.S. Copyright Office Practices). It also does not apply to certain US coins; see
The US Mint Terms of Use
.
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