Original U.S.WWII U.S. Army Type E-3 Aerial Gunnery Trainer by Mac Glashan Air Machine Gun Corp. - Browning M1919A4 Air Gun Simulator Lewis Gun they were massive steel and

they were massive steel and concrete structures and virtually impregnable to direct infantry assault

Richard Travis

It likely was at this time that BC-721-A serial #251 first changed to private ownership status

During the Battle of Gettysburg

Harness has original data label with part number 59C6174  and 59E6173

Original U.S.WWII U.S. Army Type E-3 Aerial Gunnery Trainer by Mac Glashan Air Machine Gun Corp. - Browning M1919A4 Air Gun Simulator Lewis Gun they were massive steel andOriginal Item: Only One Available. According to the Beeman Blue Book of Airguns, the Mac Glashan Air Machine Gun Corp was formed in July 1939 and closed in November 1943. Manufactured in the early 1940's, these BB machine guns were used during WWII for aerial gunnery training. The manufacturer, model, and serial number are marked on a small rectangular plaque affixed to the left side of the gun. TRAINER AERIAL GUNNERYTYPE E 3 SERIAL NO. 42