CC0 Usage Conditions ApplyClick for more information. This collection consists of ten black and white photographs of bombing control instruments and equipment designed and manufactured by Alexander de ...
Mr. Elmer A. Sperry, President of the Sperry Gyroscope Company, will lecture in the Living Room of the Union next Monday evening, November 15th, at 8 o'clock, under the auspices of the Department of ...
Elmer A. Sperry casts a long shadow over the history of modern naval, nautical and aeronautical technology, one few people know much about, but should, for a man crowned both the “father of modern ...
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