Image: Signature of Elmer Ambrose Sperry Sr
Signature_of_Elmer_Ambrose_Sperry_Sr.png (458 × 152 pixels, file size: 29 KB, MIME type: image/png)
Description: Signature of Elmer Ambrose Sperry Sr. from The National Cyclopaedia of American Biography, Volume XV, 1916, pages 22–23
Title: Signature of Elmer Ambrose Sperry Sr
Credit: The National Cyclopaedia of American Biography, Volume XV, 1916, pages 22–23
Author: Elmer Ambrose Sperry Sr.
Usage Terms: Public domain
License: Public domain
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