The reverse of the coin is engraved with the following:'Awarded to the widow of Wm. S. Otis for a steam excavator 1841' The American Institute of the City of New York, or, The American Institute of the City of New York for the Encouragement of Science and Invention was a civic organization that existed from ca. 1838 - ca. 1930.The Institute was an association of inventors. It organized exhibitions, lecture series and radio broadcasts to inform the public about new technologies, and served as [...]
