89 



3. * Large Abbe Drawing Camera, No. 112. This form of the apparatus 

 is adapted for the eye-pieces with enlarged field of view. The length of the 

 arm supporting the mirror is 125 mm (5 in.), the size of the mirror 80X125 mm 

 (3Vs X 5 in.). 



No. 112: Large ABBE Drawing Camera, for the eye-pieces Price: Code-word: 



with enlarged field of view, incl. case: . . . Marks 72. . Paulatino. 



Fig. 48 a. ABBE Drawing Camera, No. 111. ( 3 / 5 Full Size.) 



Fig. 48 b. ABBE Drawing Camera, No. 111. ( 3 / 5 Full Size.) 

 Showing ABBE'S prism (P) and the cap with moderating glasses (R) removed. 



Drawing Tables and Boards. 



In order to obtain copies of objects free from distortion and with a field 

 of view of fair size, it is advisable to use a support for the drawing paper, 

 inclined at the proper angle. We supply various patterns of drawing tables and 

 boards suitable for this purpose. 



