Lukas Harold manufactured Mark 15 Mod 7 sight head (L-518)?
Air Corps M-7 with AGLD missing. It is possible it is a very early Norden training sight head.(Image removed from quote.)(Image removed from quote.)
Next one...(Image removed from quote.)
Would this be the Japanese NORUDEN made as a copy of a Norden taken from a downed B25?
There were eventually three models, no real production. Type 4 Automatic Bombing Sight, February Showa 19 (1944) Type 1 Model 2. Type 4 improvement Showa 20. Officially adopted by wars end.Model 10, Showa 20. Performance improvements.