1935, Zavod Geodezia, Moscow
1957, “State Optical Institute” (GOI) Leningrad, USSR
1950s, “State Optical Institute” (GOI) Leningrad, USSR – Soviet motion picture camera lens
1944, “State Optical Institute” (GOI) Leningrad, USSR
1957, “State Optical Institute” (GOI) Leningrad, USSR
1948, “State Optical Institute” (GOI) Leningrad, USSR
1975, “State Optical Institute” (GOI) Leningrad, USSR
1935, “State Optical Institute” (GOI) Leningrad, USSR
1948, “State Optical Institute” (GOI) Leningrad, USSR
1948, “State Optical Institute” (GOI) Leningrad, USSR