Believed to be military camera. Shatter Moment 1, some have Moment 24 from Moskva 5. No lense. Camera mounted directly to the wall. Used 35mm film on cassette. Camera completely mechanical. Presumably built after WWII Body carved from single brick of bronze. Very heavy. Seller told me that it was used in bombers. But it to heavy for airplane to carry. Camera make round pictures and has built in red glass. Any information will be appreciated. Known to exist at list 7 cameras like this.