• Format of the photos : 9 x 12 cm on photographic plates
• Max. pictures : 12 - storable by gravity
• Dimensions in cm : 19 H x 10,8 L x 26,5 D
• Manually operated winding gear
• Shutter type : metallic guillotine
• Shutter speeds : "P" (pause) or "I" (instantaneous)
• Focal length : from 2.5 to 20 m
• Type of diaphragm : metallic blades, apertures from 8 to 64
• Inscriptions "824455" and "M" on the inner part of the rear cover (see picture 8)
• This article is in Michel Auer's guide of old cameras
  

Legend for picture 3
1 & 2: vertical & horizontal viewfinders
3 & 4: bubble levels (dried up)
5: numbering wheel of taken pictures, with number displayed in a little round eye (over "A223" etiquette)
6: shutter speed selector : "P" or "I"
7: shutter button (after having rewinded the lower handle of the front side with a quarter turn (see picture 4) and accessory shoe
8: focal length adjustment, with "2.5, 3, 4, 5, 7, 10, 15, 20" scale
9: place for rotary selector (see picture 9) showing "1|, 2|, 3|, 4|, 5|, 6|, 7|" and which needs to be fixed
10 & 11: closing latches of the rear cover
12: lock (without key), to avoid accidental aperture
13: aperture iris diaphragm lever on the front side (see picture 4)