Q.R.S  KAMRA,  USA,  c1928
"Brick" but lovely bakelite design. Simple camera:  single speed shutter, fixed focus. Mine is series No. A  5428.
Historical importance:  very early bakelite & and early 35mm. still camera!

THE FILM :  40 exp. on35mm. as the manual says:
"Q.R.S Kamra film is standard 35mm. motion picture film prepared exclusively for the Q.R.S Kamra in Q.R.S metal daylight loading magazine."
  
U- Loaded magazine;   C- Crank (mine is broken as often found...);   E- View finder;   F- Time exp. ( T or I);   N- Pic. counter;  V- Take-up magazine