24th May, 2023 12:00

Fine Instruments of Science, Medicine and Books

 
  Lot 5
 

A Large Smith & Beck No.1 Circuit Stage Binocular Microscope

A Large Smith & Beck No.1 Circuit Stage Binocular Microscope, English, dated 18 September 1884*, signed to the foot ‘R & J Beck LONDON’ and ‘N°12010’, the microscope stands on a flat tripod foot with rotating centre engraved in degrees, with two supporting pillars architectural in style, both terminating in trunnions supporting the microscope body, with large plano-concave mirror on swing-arm and sliding collar, sub-stage condenser holder with screw X & Y adjustment, goniometer control with degrees engraved, and rack-and-pinion focusing, a large goniometer circuit stage** allowing for full rotation of the specimen, supported on German silver mount with vernier scale to front, stage with X & Y control, swept limb with single accessory holder, course focus to the top, fine focus mechanism acting on the rack, Wenham prism in pull out/in drawer, with one case of accessories which contains:

objectives all signed ‘R & J Beck’, 1 1/2in, 2/3in/ 4/10in, 1/5in, 1/8in.
A pair of low, medium & high power binocular eyepieces.
An achromatic condenser with a wheel of stops.
A stage bulls-eye.
A stage side reflector.
A side reflector in a can.
An erector lens.
A large& small live box.
Two glass stages.
A compressor.
Two Lieberkühns.
Stage forceps.
A Wenham-type parabolic condenser.
An eyepiece lucida.
Micrometer Glass.
Double nosepiece.
Specimen Holder.
Dark Well & Holders.
and other items

the microscope also has a substage set of selenite filters

There is no case only the microscope and the accessory set.

Note: *From the Beck records. ** The circuit stage was an expensive optional extra for the No.1 microscope. It meant that the stage was further away from the limb of the microscope so it could be fully rotated, the limb is bigger as the body tube is also further out. This is a very rare feature.

Sold for £3,375

Result plus buyers premium


 

A Large Smith & Beck No.1 Circuit Stage Binocular Microscope, English, dated 18 September 1884*, signed to the foot ‘R & J Beck LONDON’ and ‘N°12010’, the microscope stands on a flat tripod foot with rotating centre engraved in degrees, with two supporting pillars architectural in style, both terminating in trunnions supporting the microscope body, with large plano-concave mirror on swing-arm and sliding collar, sub-stage condenser holder with screw X & Y adjustment, goniometer control with degrees engraved, and rack-and-pinion focusing, a large goniometer circuit stage** allowing for full rotation of the specimen, supported on German silver mount with vernier scale to front, stage with X & Y control, swept limb with single accessory holder, course focus to the top, fine focus mechanism acting on the rack, Wenham prism in pull out/in drawer, with one case of accessories which contains:

objectives all signed ‘R & J Beck’, 1 1/2in, 2/3in/ 4/10in, 1/5in, 1/8in.
A pair of low, medium & high power binocular eyepieces.
An achromatic condenser with a wheel of stops.
A stage bulls-eye.
A stage side reflector.
A side reflector in a can.
An erector lens.
A large& small live box.
Two glass stages.
A compressor.
Two Lieberkühns.
Stage forceps.
A Wenham-type parabolic condenser.
An eyepiece lucida.
Micrometer Glass.
Double nosepiece.
Specimen Holder.
Dark Well & Holders.
and other items

the microscope also has a substage set of selenite filters

There is no case only the microscope and the accessory set.

Note: *From the Beck records. ** The circuit stage was an expensive optional extra for the No.1 microscope. It meant that the stage was further away from the limb of the microscope so it could be fully rotated, the limb is bigger as the body tube is also further out. This is a very rare feature.

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