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Compound Microscope in Case with Accessories, by J. Bleuler, London, c. 1800-25

preview image for Compound Microscope in Case with Accessories, by J. Bleuler, London, c. 1800-25
Inventory Number: 21409
Object Type: microscope
Persons: J. Bleuler
Date Created: Early 19th century
Place Created: London England United Kingdom Europe
Subject Classification(s): Microscopy  
Accession Number:
Brief Description: This copper alloy instrument has a pillar, with a triangular section that stands on a compass joint on a flat, folding tripod foot. The cruciform stage has three pinholes, one of which is square, and a recessed stage hole. It is racked up and down on the pillar for focusing. A ring on two pins is set on the stage to hold specimens. The body screws into the end of an arm that slides into a pivoting bracket at the top of the stand. This gives the body aquatic movement. Objective lenses, or a rotating disk with six objectives, screw into the underside of the arm. The eyepiece has two lenses and screws into the body tube which also holds two lenses. A sliding sleeve below the stage holds a condensing lens on a pivoting arm and a lower sleeve holds the Plano-concave mirror in a horseshoe mount. The accessories comprise two objectives with dust covers, two objectives with Lieberk├╝hn and a Lieberk├╝hn with a carrier on a square sectioned pin, , and a simple lens in a blackened eyecup, a fishplate, a cone condenser, copper alloy forceps, stage forceps on a steel pin, a super stage bull's-eye lens, a Martin's triple stage, a steel pin on an ivory handle.
Primary Inscriptions: "J. Bleuler Ludgate Street London" signed on base "Bleuler, Optical, Mathematical, and Philosophical Instrument Maker, 27 Ludgate Street, London:" on a card pasted to box
Provenance: Presented to the RMS by Charles Lee Curties in November 1935
Collection Group: Royal Microscopical Society Collection
Material(s): Brass
Wood
Dimensions:
Height Width Depth Diameter Unit
450 215 mm

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