| Title | Fifty years of firsts in flight, 1923-1973.
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| Published | [United States] Sikorsky Aircraft, [1973?]
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| Description | 55 p. : ill. ; 22 x 22 cm.
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| Subjects | Aeronautics -- History.
Aircraft industry -- United States.
Sikorsky Aircraft (Firm) -- History.
Sikorsky helicopters -- History.
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| Other Authors | Sikorsky, Igor Ivan, 1889-1972.
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| Organizations | Sikorsky Aircraft (Firm)
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| Call Number/Copies | |
| | WRHS Research Library: TL 716.9 S58 F46
mq230879: LC class, closed stacks [status: NON-CIRCULATING] |
| [Record 139610] |
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