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"Society of the Arts" Pattern Microscope

Signature Unsigned

Date Mid 1800s
Dimensions English Metric
Main Tube Length 7.3in 185mm
Main Tube Diameter 1.1in 28mm
Total Height 13.0in 330mm


This brass compound microscope is supported on a claw-footed base, mounted to a wood platform. Its design is based on The Society of the Arts pattern. The round cross-section limb pivots on trunnions mounted to the stage. The body tube screws into the bar attached to the top of the limb. Coarse focusing is done with a rack and pinion that moves a telescoping triangular cross-section extension of the upper limb. Fine focus is by a thumbwheel near the bottom of the body tube that moves a short inner tube on which the objective mounts. There are two objectives, with brass canisters, and a Huygenian-type two lens eyepiece. The square stage has a separate moveable carrier that is held in on top of the stage with two spring clips. The carrier has a rest and two spring clips for holding slides. There is a substage wheel of three stops and a bull’s eye condenser lens mounted on its own stand. A substage concave mirror mounts on the end of the limb. The only accessories are the extra objective and a live box. One of the objectives is signed, “Bausch & Lomb Optical Co. 1IN.”  The microscope disassembles and fits into its mahogany carrying case.

Comes with one original objective lens and a Bausch & Lomb replacement lens.



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