Original U.S. WWII Army Air Force Model K-3 Signal Lamp Type C-3A by Grimes Antique Flintlock Firearms cylindrical sheet metal container filled

cylindrical sheet metal container filled with a mixture of zinc powder and hexachloroethane (this inert example is empty) and tightly closed by a lid and bottom

before the emergence of the M-16 steel helmet

is a radio receiver and transmitted designed to test the IFF transponders (transmitters) which identified as aircraft as being a friendly

It is marked to the 26th Infantry Division and has the YD representing the nickname "Yankee Division"

These photos cover a wide range

Original U.S. WWII Army Air Force Model K-3 Signal Lamp Type C-3A by Grimes Antique Flintlock Firearms cylindrical sheet metal container filledOriginal Item: Only One Available. Very nice vintage WWII WW2 Grimes Mfg. Co. Signal Light Model K 3 Army Air Force which comes complete with 4 lenses that clip over the front of the housing, red, yellow, purple and blue (10% transmitting filter). Features Trigger Adjustment, Aiming Sights, Carry Case. The back of the lamp has original paper data label that reads: Property U. S. Army Air Force GRIMES LAMP ASSEMBLY INTER AIRCRAFT CONTROL TYPE C 3A 12