Hartnack Brass Compound Microscope, c. 1875

French Compound Brass Microscope by Nachet, c. 1875 Signed on the leaded foot: "Nachet et Fils, 17 rue St. Séverin, Paris", original lacquered brass, single mirror, substage pinhole diaphragm, draw t

3 Brass Compound Microscopes 1) Unsigned, probably France, unusual two-pillar construction, iron foot, brass, original lacquer, rack-and-pinion focusing, height 8 ¾ in., c. 1875. – 2) "R. Wasserlei

French Microscope by Hartnack, c. 1875 Paris. Original lacquered brass, draw tube, milled-head screw fine adjustment, tilting stand, incident-light magnifier, "Gluschanovsky" signed on foot and case,

2 Microscopes 1) Signed on the tube "Dr. E. Hartnack, Potsdam", original lacquered brass, leaded horseshoe foot, missing mirror, draw tube, screw fine adjustment, height 10 5/8 in., c. 1875. – And:

French. 1868-1875. Brass. In original fitted case featuring dovetailed construction. Includes a cased assortment of lenses. Engraved, "C. Verick Special de E. Hartnack rue de la Perchuminiere 2, Paris

Brass Compound Microscope, C. Reichert, Wien, Austria, late 19th century, with rackwork coarse focus, square stage with slide clips, substage swing arm with condenser, plano/concave mirror with three-

Brass Compound Microscope, c. 1860 French compound microscope in mahogany slip-case, probably by "Secretan, Paris", lacquered and oxidized brass, ebonized foot, mahogany board as limb, draw tube, mill

Brass Compound Microscope, c. 1880 Unsigned, japanned iron horseshoe base, original lacquered brass, tilting stand, double-mirror, substage pinhole diaphragm, double sliding body tube, milled-head scr

2 Brass Compound Microscopes, c. 1880 1) Signed on the tube "Seibert", patinated, leaded horseshoe foot, double-mirror, substage pinhole diaphragm, draw tube, fine adjustment, height 11 2/5 in. – An

A Large Brass Compound Microscope, English, c.1870, unsigned but with objective engraved 'J How 2 Foster Lane London', Microscope on large Y shaped foot with tall uprights supporting microscope on tru

Berlin Brass Compound Microscope by Wasserlein, c. 1870 Signed: "R. Wasserlein, Berlin", original lacquered brass, cylinder aperture diaphragm in slider with dovetail guide, with 2 interchangeable ape

Pillischer Compound Brass Microscope, c. 1860 Signed on the claw-footed base: "M. Pillischer, London", No. 739, original lacquered brass, 2 uprights, swinging square tailpiece with enclosed rack-and-p

Davis Improved Compound Microscope, c. 1830 Signed at the foot: "Improved Compound Microscope by Davis, 65, Bold St. Liverpool". Original lacquered brass, folding tripod base, concave mirror, tilting

Engel's Patent School and Salon Microscope, c. 1875 Invented by Conrad von Rappard, made by Mikroskopisches Institut Engel & Comp., original lacquered brass, sliding tube coarse focusing, 1 objective,

French Compound Microscope, French, c.1860 engraved to the drawer tube 'G. Oberhauser et E Hartnack Palace Dauphine 21 Paris' with circular lead filled base concave mirror, simple stage, push/pull foc

Dutch Compound Monocular Chest Microscope, c. 1780 Cuff-type brass microscope with gimbaled 1 1/2 in. single mirror, three-arm stage on sliding block for coarse focusing, milled-head screw fine adjust

The all brass Martin-type compound microscope circa 1790 with various slides and accoutrements as shown is signed Gilbert & Co, London in hand engraved script on one beam of the tripod foot. A much la

English, c.1880, signed to the rear of the foot 'Baker 244 High Holborn, London' with plano concave mirror, substage condenser, mechanical stage by Baker, double nose piece, with objective cans and ac

3 French Brass Microscopes 1) Signed: "C. Verick, élève spécial du Hartnack, rue de la Parcheminerie 2, Paris", c. 1870. Horseshoe base, rectangular pillar, capped with inclination joint, swiveling

English Compound Microscope by Henry Crouch, c. 1870 Signed on the horseshoe base: "Henry Crouch, London", serial no. 994, engraved: "MB & Co Ltd, P.T. 813", original lacquered brass, single pillar su

Drum-Pattern Microscope, c. 1860 Probably by Hartnack, Paris, original lacquered brass, 3-inch weighted base, draw tube, fine screw adjustment beneath the pillar, concave mirror, pinhole diaphragm, 1

Microscope, Charles Baker, London, c.1880, compound brass w/tripod base, Plano-Concave mirror & condenser w/diaphragm, in mahogany case w/accessories, Exc untested cond (case w/o lock & handle detache

Large Microscope by Nachet with Accessories, c. 1875 Signed: "Nachet, rue St. Severin, Paris", original lacquered brass, height-adjustable condenser with iris diaphragm, double mirror, triple nosepie

English Compound Monocular Chest Microscope by Nairne & Blunt, c. 1790 Cuff-type, signed on the Bonanni stage "Nairne & Blunt, London". All brass, original lacquer, square pillar hinged at one side of