Original U.S. WWII Sperry T-1A Bombsight by AC Spark Plug Division of GMC Antique Handguns Mk I design

Mk I design

This represented a tremendous tactical advantage and made such advanced firearms especially desirable among cavalry officers

Shortly thereafter

and looks to have been made with parts on hand

Major John M

Original U.S. WWII Sperry T-1A Bombsight by AC Spark Plug Division of GMC Antique Handguns Mk I designOriginal Item: Only One Available. This World War II bombsight was originally designed by the British (as the Mark XIV bomb sight) and first entered service in 1942. It was also made by Sperry, who made improvements. It was used in the B 25 and deHavilland Mosquito bombers. There is a separate sighting head (with attached gyro), which is not included, that communicated to this computing element. The attachment between the two devices was mechanical