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Compound Microscope and Case, by George Adams, London, c. 1750

preview image for Compound Microscope and Case, by George Adams, London, c. 1750
Inventory Number: 49623
Object Type: microscope
Persons: George Adams
Date Created: Third Quarter 18th Century
Place Created: Fleet Street London England United Kingdom Europe
Subject Classification(s): Clay Collection  
Accession Number: 1944-1/232
Brief Description: Adams Universal Compound Microscope.
An octagonal copper alloy pillar stands on a flat-folding tripod. A horseshoe mount holding the concave mirror fits a socket on one of the feet. A cylindrical inner pillar slides up from within the stand and a wheel with eight objectives is attached to the top by a mill-headed screw. This instrument can be used as a simple microscope with a dyed black ivory eyepiece or with a black ivory body tube that screw into a bracket on the wheel. Two copper alloy rings form the stage. The lower is set on a sliding mounting and is held in place by a tightening screw. The wooden fitted case is covered with black fishskin, has two clasp fasteners, and is lined with green velvet. The accessories it contains are three Lieberkühn; a Lieberkühn carrier; two sets of stage forceps, one with a cork disc; a copper alloy and glass specimen holder; an ivory talc box; an ivory black and white disc in a copper alloy mount; a fishplate; two pairs of copper alloy forceps; and five ivory sliders.

(.1: Tripod; .2: Mirror; .3: Objective Wheel; .4: Eyepiece; .5: Body Tube; .6: Stage; .7: 3x Lieberkühn; .8: Lieberkühn carrier; .9: 2x Stage Forceps; .10: Specimen Holder; .11: Talc Box; .12: Black and white disc; .13: Fishplate; .14: 2x Forceps; .15: 5x Sliders; .16: Case.)
Primary Inscriptions: "Invented & made by G. Adams at Tycho Brahe Head. Fleet Street, London."
Provenance: Purchased from Dr. Reginald S. Clay with his collection.
Collection Group: Clay Collection
Material(s): Copper alloy
Mirror Glass
Glass
Blackened Ivory
Metal
Cork
Ivory
Animal remains
Fishskin
Wood
Paint

Narratives

Image with multimedia irn 45045Image with multimedia irn 45046

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