764 



SUMMARY OF CURRENT RESEARCHES RELATING TO 



MICROSCOPY. 



A. Instruments, Accessories, &c* 

 (1) Stands. 



Dissecting Stand, with Lens.t — This instrument (fig. 118) consists 

 of a heavy cast-iron base supporting a brass pillar about 13*5 cm. high. 



Fig. 118. 



Ou this pillar a carriage slides up and down. This up and down move- 

 ment is secured by Lucas's patent slow motion mechanism, which 



* This subdivision contains (1) Stands; (2) Eye-pieces and Objectives: (3) 

 Illuminating and other Apparatus ; (4) Photomicrography ; (5) Microscopical 

 Optics and Manipulation ; (6) Miscellaneous. 



t Cambridge Scientific Instrument Co., Ltd., Cat. No. 57 (1909) p. 10, fig. 11. 



