A Detroit manufacturer of aircraft engines is seeking automatic screw machine facilities for the manufacture of ninety-six items of steel and bronze aircraft engine hardware in quantities from fourteen thousand to two-hundred thousand and in diameters from one-quarter to one and one-half inches. Three of the items are illustrated. Top left, bolt; top right, retainer; bottom, cylinder head stud
Summary
Public domain photograph of indoor, interior activity, America in the 1930s, free to use, no copyright restrictions image - Picryl description
Tags
Date
01/01/1941
Contributors
Gruber, Edward, photographer
Location
Detroit (Mich.), 42.33139, -83.04583
Source
Library of Congress
Copyright info
Public Domain