Collection Home > Microscopes > Stereo > Wenham Stereo Microscope
Binocular Microscope
Maker | R&J Beck, London and Philadelphia | |||||
Date | Circa 1880 | |||||
Dimensions | English | Metric | ||||
Main Tube Length | 15.7in | 400mm | ||||
Main Tube Diameter | 16.0in | 406mm | ||||
Total Height | 16.2in | 412mm | ||||
Description |
This brass binocular microscope is supported on a triangular base, to which the cylindrical limb is attached by a hinged plate. A pin on the bottom end of the limb can be positioned in one of six holes in the base, allowing adjustable inclination from vertical through horizontal. The main body tube is attached to the bar on the limb. Coarse focus is by rack and pinion, moving a telescoping inner section of the upper limb. Fine focus is done with a micrometer knob on the top of the limb. The second body tube is attached at an angle to the side of the main tube. The width of the binocular eyepiece is adjustable with a tandem rack and pinion, mounted on the upper end of the tubes. The Wenham-style prism is held in a small carrier that slips into the side of the main tube, just above the nosepiece. A three lens turret is mounted on a double nosepiece. There are seven objectives, two sets of binocular eyepieces, and one high power eyepiece. The eyepieces are the two lens Huygenian-type. The rotating circular stage has a moveable circular slide carrier with a slide rest. An adjustable iris diaphragm is mounted substage and the plano-concave mirror attaches to the lower limb. It comes with the following accessories:
Objectives “1/8 90 3mm A R & J BECK LTD” “1/4 R & J BECK” “1/4 R & J BECK” “1/4 6mm A R & J BECK LTD HAHN COLL” “1 IN R & J BECK,” with brass canister “2 IN R & J BECK” “1/12 OIL IMM R & J BECK,” with brass canister “1 ½ R & J BECK” canister, no lens Eyepieces Two sets of binocular and one high power
The microscope is signed “R & J BECK 11085 LONDON & PHILADELPHIA” On the hinged plated attached to the base. It comes with a mahogany carrying case. |
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