| Author | Hughes, Thomas Parke.
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| Title | Elmer Sperry; inventor and engineer.
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| Published | Baltimore : Johns Hopkins Press, [1971]
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| Description | xvii, 348 p. : illus., facsims., maps, ports. ; 26 cm.
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| ISBN | 0-8018-1133-3 |
| Bib. Note | Bibliography: p. 341-342.
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| Subjects | Engineers -- United States -- Biography.
Inventors -- United States -- Biography.
Sperry, Elmer Ambrose, 1860-1930.
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| LC Card Number | 71-110373 |
| Call Number/Copies | |
| | WRHS Research Library: TA 140 S75 H89
mq12688: LC class, closed stacks [status: NON-CIRCULATING] |
| [Record 6969] |
|