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.
Underwood &amp; Underwood of Washington DC
1928-03-01
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