Elmer Sperry; inventor and engineer
"A major American inventor who obtained over 350 patents during his lifetime, Elmer Sperry contributed greatly to the momentous technological changes that occurred between 1880 and 1930. Best known for the Sperry gyrocompass and automatic pilot, his inventions included arc-light systems, mining...
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| Format: | Book |
| Language: | English |
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Baltimore :
Johns Hopkins Press,
[1971]
Baltimore, Johns Hopkins Press [1971] Baltimore, [1971] |
| Series: | Johns Hopkins studies in the history of technology
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