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WW1 era US propellers specifications.

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  • WW1 era US propellers specifications.

    Hi,

    I have found in a 1920 book*** a listing of specifications by "Bureau of Aircraft Pproduction".

    Is anyone knowing where I can read those specifications, particularly those about glueing (14000B, 14020A and 14024), finishing (14008A, 14012 and 14019) and propeller construction in general (29500D) ?

    Regards,
    PM

    *** by Engineering Division, McCook Field, Dayton (Washington Governement Printing Office, 1921).
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