106 



L. CASELLA'S CATALOGUE 





FIG. 1135. 



Fm. 1139. 



IMPROVED MICROSCOPES. 



SECOND SEEIES. 



The reduction in cost of the following microscopes is chiefly obtained by their great 

 popularity and the numbers that are made at a time. Though so moderate in cost 

 and less elaborate in finish, they are optically quite equal to the dearer kinds, whilst the 

 stability and precision of movement being carefully seen to, purchasers ordering from 

 a distance may do so with the utmost confidence. 



1129. Superior Binocular Microscope^ with goniometer stage, divided to 360 degrees 



and worked round by the hand, f -inch rack and screw motion in rectangular 

 directions, improved object-plate and clamp, lever fine adjustment, 2-inch, rack 

 motion to divided draw tubes, simple sub-stage, with vertical motion for 

 focussing achromatic condenser, etc., jointed arm to mirrors, and one pair of 

 eye-pieces, A or B (fig. 1129), p. 105 ... 18 10 



1130. If in polished mahogany case with packing complete, extra . 150 



