As a test, three rounds of primers in empty shell cases are fired in each howitzer to check the breech mechanism. The firing is pictured. These seventy-five millimeter pack howitzers are being manufactured at the Erie, Pennsylvania, General Electric plant, largely on machinery formerly used for making streetcar motors
Summary
Public domain photograph of Pennsylvania in 1930s, free to use, no copyright restrictions image - Picryl description
Tags
Date
01/01/1941
Location
Erie Heights, 42.08506, -80.10895
Source
Library of Congress
Copyright info
Public Domain