A1 4-Second Delay

Photoflash Cartridges, M112A1 (l, 2 or 4-Second Delays) Each consists of a cylindrical A1 container (1.57-inches in diam 7.73-in long), filled with photoflash powder (7. 0-oz), a delay fuse contg gasless Ba chromate boron compn and an electric 

Slightly different in appearance is the M123A1, 4-Second Delay Cartridge (See Fig 2-22) (Ref 51c, pp 2-3 to 2-5) 

Photoflash Cartridge M121, used for practice, is filled with dummy charge. It simulates M112A1 series (Ref 51c, pp 2-4 2-6) 

100-lh Photoflash Bomb, M122, shown on Fig 2-23, consists of round-nosed cylindrical body, 8.0-inches in diameter, with the fin assembly M125A1 attached. Total length 50.0-in and total wt 107.0-lb of which 75.0-lb is photoflash powder developing on burning a peak intensity (candlepower) of 26 million. A burster tube extends from the nose fuze well to the base plug. Its nose 

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