t St., Philadelphia, Pa. Richards & Co.. Limited, 30 E. 18th St., New York. 108 Lake St,, Chicago, 111. Edward Pennock, . ... 3609 Woodland Ave., Philadelphia, Pa. Spencer Lens Co .... 546 Main St., Buffalo, N. Y. Walmslev, Fuller & Co., . ... 134-136 Wabash Ave., Chicago, III. Williams,… … THE MICROSCOPE IN SECTION. i. Compensation ocular 12; it is a positiveocular, 2. Draw-tune, by which the tube is lengthened or shortened. 3. Main tube or body, to the lower end of which the objective or revolving nose-piece isattached. 4. Society screw in the lower end of the draw-tube. 5. .Society…
Microscopy
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