Fig. S2. The Bausch & Lomb Optical Cos Model A II Microscope, Handle Type. The coarse adjustment is by a sliding tube, and the pillar is not jointed. See also Fig. 140 on p. /-S. 88 LABORATORY MICROSCOPES [ CH. II … Fig. 83. Becks London Microscope, Regents Mode/, with Handleand New Line Adjustment. See also Fig. 155. CH. II ] L A /■< >R. 17CRY . VICRi >Sl OPES s9
Microscopy
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