Saluting 40mm shell markings? - General Ammunition Discussion - International Ammunition Association Web Forum

I would like to figure out where this shell came from. It has been made into a lamp. Shell marked on bottom: SALUTING 40mm 40mm MK2 44 AL LOT 0739

10 Gauge Signal Cannon For Sale, Signal cannons, also referred to as salute cannons, were used aboard ship and on land to make salutes, to warn of danger and to attract attention ….

USN 40mm Saluting shell - FIREARMS - U.S. Militaria Forum

40mm-5-155mm shell markings-40mm Salute Blank - General Ammunition Discussion - International Ammunition Association Web Forum

Gunsmithing and Firearm Modification.pdf

Armor Blog Museum of American Armor

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USN 40mm Saluting shell - FIREARMS - U.S. Militaria Forum

40mm-5-155mm shell markings-40mm Salute Blank - General Ammunition Discussion - International Ammunition Association Web Forum

Considering the limited amount of ammo and the greater possible damage per round, did the cannon on a Bf-109 fire like a machine gun or was it single pull, single shot?

OT64: Openn Thread