246 THE HISTOKY AND DEVELOPMENT 01 THE MICEOSCOPE 



used as a side reflector. It is also arranged so that eye-pieces 

 with large field-glasses may be employed. It packs in a box 

 10^ X 5^ x 3^ inches, and weighs 6 pounds complete. 



FIG. 198. Bausch and Lomb's portable microscope (1898). 



Baker now makes a small useful instrument for travelling called 

 'the Diagnostic' microscope, designed by Surgeon-Major Ross, 

 medical superintendent, Indian Army Medical Department. 

 Fig. 197 illustrates it. The tripod stand is firm, but readily 



