Measuring the Pitch of a Propeller | The American Library Association Archives
Measuring the Pitch of a Propeller
A group of Naval soldiers in a Navy school measuring the pitch of a propeller.
Caption reads: "IN THE NAVY [unreadable] SCHOOL measuring the pitch of a propeller"
Found in record series 89/1/13, box 6.
TIFF; Original: 5x3 inches
The American Library Association Archives
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