Carpenter, William Benjamin, 1813-1885, Dallinger, W. H. (William Henry), 1842-1909 · Philadelphia, Blakiston · leaf 162
Fig. 103. HERTELS MICROSCOPE 137 … Fig. 104— Hertels microscope (1716). 138 THE HISTORY AND EVOLUTION OF THE MICROSCOPE is connected with the sliding socket E, supporting the arm D, inwhich the body-tube is screwed ; the focussing could thus be con-trolled in a far more effective manner than by any system previouslyapplied to a…
Microscopy
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