Antique Spencer Lens Co. Monocular Microscope, Works 12x Plus 3 Objectives Tool

  

Monocular Microscope, Works 12x Plus 3 Objectives Tool. Compens 12x eyepiece, Spencer 10x; Spencer 44x; and Bausch and Lomb 90x objectives. Has dual mirror reflective caved and flat. Adjuster is free and moves smooth. Has a piece that flips in and out under the tray, I assume it intensifies the light off the mirror.

Used but in good condition. Stands 12 tall when down. Weighs just over 8 pounds. See all my pictures as they are part of description.