NDLI: Production. Airplane propellers. Frank Geary uses an electro-limit gauge at a Hartford, Connecticut, plant to make final inspections of a three-way hydromatic spider that form part of the mechanism which varies the pitch of airplane propeller blades while planes are in action. At this plant propellers are made with combinations of two, three and four blades

Content Provider	Library of Congress - Photographs
Spatial Coverage	Connecticut--Hartford County--East Hartford
File Format	JPG / JPEG
Language	English
Part of Series	Farm Security Administration/Office of War Information Black-and-White Negatives American Memory
Requires	HTML5 supported browser
Access Restriction	Open
Subject Domain (in LCSH)	United States--Connecticut--Hartford County--East Hartford.
Content Type	Image
Resource Type	Photograph

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