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SUMMARY OF CURRENT RESEARCHES RELATING TO 



MICROSCOPY. 



A. Instruments, Accessories, etc.* 

 (1) Stands. 



Old Achromatic Microscope by Trecourt and Georges', Ober- 

 haeuser. — This old Microscope, presented by Members of the Council 

 (fig. 78), appears to be one of the early instruments made, by Georges 



Fig. 78. 



* This sub-division contains (1) Stands; (2) Eye-pieces and Objectives; (3) 

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

 Optics and Manipulation ; (6) Miscellaneous. 



