552 SUMMARY OF CURRENT RESEARCHES RELATING TO 



jecting Microscope, polariscope, megascope, vertical lantern, as well 

 as into a table Microscope. The condensers of the lantern are five 



Fig. 93. 



inches in diameter, and the whole apparatus is constructed in the 

 most substantial way, and every part and accessory is of the best 

 workmanship. 



