576 



SUMMARY OF CURRENT RESEARCHES RELATING TO 



MICROSCOPY. 



A. Instruments, Accessories, etc.* 

 (1) Stands. 



Watson-Conrady "Bicor" Binocular Attachment/} - — W. 5 Watson 

 and Sons intend this auxiliary to afford the student the advantage of 



Fig. 56. 



using two eyes instead of one in his observations. It also affords the 

 means of readily converting a monocular into a binocular Microscope, 



* 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 Catalogue, " Microscopes and their Accessories," W. Watson & Sons, London 

 (1914-15). 



