Two new tools were set in the New Britain-Gridley lathe, pictured above, to adapt it for the cutting of twenty-millimeter shell booster parts. The new parts are an eccentric spindle, which may be seen attached to a driving rod in the center of the machine, and a thread rolling attachment. In peacetime, the machine was used to turn out spur gears, worm wheels and commentator rings in steel and brass
Summary
Public domain photograph of indoor, interior activity, America in the 1930s, free to use, no copyright restrictions image - Picryl description
Tags
Date
01/01/1942
Contributors
United States. Office for Emergency Management.
Location
Concord (Saint Louis County, Mo.), 38.52444, -90.35722
Source
Library of Congress
Copyright info
Public Domain