Fig. 78. The Spencer Lens Cos Detachable MechanicalStage of Great Range. 84 LAI.ORA TORY MICROSCOPES [ CH. II … Fig. 79. The Bausch & Lovib Optical Cos New Model DDH Microscope. CH. II ] /- A B( )RA Tl >A) .)//( R( KSC( )PES 85
Microscopy
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