NATIONAL...MODEL #111 MICROSCOPE with 3 Objectives 4x 10x 40x

Swift Instruments Series 2240 Microscope 40x 10x & 4x Objectives

Celestron Laboratory Biological Compound Microscope 40x 100x 400x 44102

National Optical Illuminated Microscope Model 106 (lot of-2)

Celestron Laboratory Biological Compound Microscope 40x 100x 400x 44102

Advanced Biological Microscope 500 (Celestron Microscope Model #44104)

Celestron Laboratory Biological Compound Microscope 40x 100x 400x 44102 (JL-248)

National Monocular Microscope 4x 10x 40x Objectives LED Model 210?