Detail of the Zeiss Ikon Colora F with the flash reflector flipped up and the bulb socket exposed. You can just see the 15V battery cap on the left. (Daniel J. Schneider)
Detail of the Zeiss Ikon Colora F with the flash reflector flipped up and the bulb socket exposed. You can just see the 15V battery cap on the left. (Daniel J. Schneider)