Jim, that sounds very interesting! I was try ing to establish if the US maybe also made own ammo back then. Any doc regarding these purchases would be great to see.
US 1 M1882 Very flare gun cartridges - General Ammunition Discussion - International Ammunition Association Web Forum
US 1 M1882 Very flare gun cartridges - #14 by EOD - General Ammunition Discussion - International Ammunition Association Web Forum
Original British Pre-WWII Webley & Scott Mk IV 1 ½” Caliber Signal Fla – International Military Antiques
US 1 M1882 Very flare gun cartridges - #14 by EOD - General Ammunition Discussion - International Ammunition Association Web Forum
EOD / BOMB SQUAD EQUIPMENT Archives, Page 3 of 3
US 1 M1882 Very flare gun cartridges - General Ammunition Discussion - International Ammunition Association Web Forum
1 Inch Illumination and Signal Flares (WW2 and Post-war). – Dalditch Camp, History, And Finds on Woodbury Common, Devon.
Arsenal Force. Searching for Non-restricted
Collection - Eagle Firearms Ltd