ZOOLOGY AND BOTANY, MICROSCOPY, ETC. 267 



issued the instrument shown in figs. 37 and 38, with the view of pro- 

 viding a Microscope which shall combine portability with more 

 steadiness than is usually found in " portable " forms. When set up 

 for use the instrument is shown in fig. 37, and when folded in fig. 38. 

 The modifications adopted to enable the instrument to be folded 



Fig. 38. 



up are as follows : — (1) The stage is made to turn laterally at right 

 angles to the normal position, so as to be in a line parallel with the 

 body-tube, which permits the latter to be reversed and inserted at the 

 lower end of the socket ; and (2) the two front " feet " of the tripod 

 are made to fold outwards and backwards under the heel. 



In packing the instrument, a small milled screw beneath the stage 

 is loosened, and the stage turned at right angles ; the body-tube is 

 removed, reversed, and put into the socket at the lower end ; the limb 



