[Bell employee working on the main rotor blade of the XH-40]
Description:
Photograph of a Bell employee working on the main rotor blade of the XH-40 from a series of photos of the XH-40 co-op advertising, cannon plugs, heli coil screw lock insert, main rotor blade 114" brass extrusion, American Brass, aluminum main rotor grip, Joy Manufacturing Company fan, engine showing cannon connections.
Date:
November 8, 1957
Item Type:
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