C. A. Steinheil Sohne, Miinchen. 



Ill 



Type D is fitted with a detachable Eastman's rollholder for 

 transparent films. 



The common fronts admits of any of the three backs being used. 



The detective camera is fitted with a group antiplanet (25 % 33 

 or 38 millimeter aperture) and an instantaneous and time shutter. 



Stereoscopic Camera. 



Fig. is. 



Types A, B, C of the detective form are also made as stereoscopic 

 cameras for 8Y 2 X17 centimeter plates and are fitted with two accurately 

 paired group antiplanets (21 millimeter aperture) and stereoscopic in- 

 stantaneous and time shutter. 



Pasquarelli Camera. 



Fig. 20. 



Fig. 21. 



Detective camera with Pasquarelli's plate changer (German patent 

 No. -54014 of 30. IX. 90, Austrian- Hungrian patent 53157 18974, French patent No. 

 202525, Italian patent No. 10036, British patent No. 20009, U.S. patent No. 445232, 

 27. I. 1891) made for plate sizes 9X 12, and 6X9 centimeter and arranged 

 to take 12 plates or films. 



The plates are changed and registered automatically by the simple 

 turning of a lever. 



This camera is also fitted with a group antiplanet (25 or 21 

 millimeter aperture) and with instantaneous and time shutter. 



By the addition to these detective cameras of rack and pinion 

 adjustment and single screw nuts they may be placed upon stands for 

 accurate focussing and quiet exposures. 



