296 



SUMMARY OF CURRENT RESEARCHES RELATING TO 



Mr. Griffith propiDses to apply an extra carrier for a small candle or 

 other illumination for class work. 



The new Microscope appears to be the result of much ingenious 

 planning on the part of its author to produce what he terms a 



" multnm in jiarvo^'' instrument. 



Swift's Student's Microscope (Wale's Model).— It will be seen 

 from Fig. 42 that the main feature in Wale's Microscope * — the inclina- 



FiG. 42. 



tion of the main limb by the motion in sector between vertical jaws — 

 has been applied by Messrs. Swift in their new stand. Their calotte 

 diaphragm is also added (shown in part beneath the stage). 



The principal novelty is the fine adjustment (Fig. 43, nearly full 



* Thid Joiu-ual, iii. (1880) ]'. 1U4G. 



