th sliding tube forcoarse adjustment, and no jointfor inclination. This micro-scope must always be used in thevertical position. Microscopesof this form are not so much thefashion as they were a few yearsago. If any instrument re-quires mechanical aids to en-able one to attain a desired re-sult… … Fig. 84. Queen & Companys Acme Microscope, No. 4. CH. //.] LABOR A TOR Y MICROSCOPES. 79
Microscopy
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