A lacquered brass 'Large Improved Compound' monocular 'drum' microscope,

A lacquered brass 'Large Improved Compound' monocular 'drum' microscope, A lacquered brass 'Large Improved Compound' monocular 'drum' microscope, 19th century, retailed by 'W.E. & F. Newton, Opticians

Two lacquered brass compound monocular microscopes, Two lacquered brass compound monocular microscopes, 19th century, one with a folding tripod stand, a square pillar and rack-and-pinion focusing, mah

Camille Sebastien Nachet (Paris), brass compound monocular drum microscope. The drum base housing a manual spring-loaded specimen clamp. Single pillar, coarse focus is by push tube, fine focus by a kn

A Large Martin-Type Improved Compound Drum Microscope. Possibly French, circa 1840.unsigned, of typical drum-type microscope construction, in fitted polished mahogany case.

A Large Martin-Type Improved Compound Drum Microscope. Circa 1840.unsigned, of typical drum-type microscope construction, in fitted polished mahogany case.

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

French Compound Monocular Microscope, c. 1840 Unmarked, lacquered brass, lead-filled circular base, conical pillar with compass joint at the top, short support carrying the tubular limb, single mirror

2 French Compound Monocular Microscopes 1) "E. Hartnack & A. Prazmowski, Rue Bonaparte 1, Paris", c. 1873, original lacquered brass, tilting stand, double mirror, draw tube, fine adjustment with knurl

3 English Brass Compound Microscopes 1) Drum microscope, c. 1860, unmarked, lacquered brass, concave mirror, drawtube, eyepiece, 6 objectives, live cell, forceps, Lieberkuhn reflector, height 10 in.,

Brass compound monocular microscope Bausch & Lomb Optical Co., Rochester, NY, circa 1897 Marked "Bausch & Lomb Optical Co. Rochester NY", ""55922", "Spencer Buffalo USA", and "Pat. Feb. 16 1897"; toge

Lacquered Brass Monocular Microscope by Baker, London, mounted on a mahogany slide with tri-foot damascened base, the rear foot engraved Baker 244 High Holborn London, adjustable mirror, coarse rack f

Brass compound monocular investigator microscope. No apparent maker’s name. U-shaped solid base, single inserted objective, bottom reflector mirror, square stage. Single tube, eyepiece, and objectiv

Two small brass compound monocular microscopes and brass-inlaid mahogany traveling boxes circa 1850 The larger box hinges marked "Rec. Aug. 21, 1850", the box includes lenses and other accessories; th

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

Field Microscope : an circa 1920 lacquered brass reflecting travel monocular microscope with mahogany box case , case measuring 6 3/4'' wide.

3 Brass Microscopes 1) Drum microscope, original lacquered brass, 1 ocular, 5 numbered objective lenses, rack-and-pinion focusing (damaged), height 10 5/8 in., in fine mahogany case, c. 1825. - 2) St

2 Berlin Compound Microscopes Original lacquered brass, in fitted mahogany cases. 1) Signed: "R. Wasserlein, Berlin", tilting stand, double draw tube, fine adjustment, height 10 in., good condition. (

Compound brass microscope in lacquered box, Asian decorated surround, paper label at interior reading W&S Jones Opticians No. 30 Lower Holborn London ', lower drawer with slides and implements, 10-1/4

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, 2/4 19th century, engraved along the foot in copperplate script 'CARPENTERS Improved Compound Microscope for Opake & transparent Objects 24 regent St London' the microscope on a large flat fo

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

German Compound Microscope by Messter, 1899 Signed on 2 plaques (case and tube): "Ed. Messter, Berlin N.W., Friedrichstr. 94 u. 95", stand model VI, original lacquered brass, double-mirror, iris diaph

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

A Nachet et Fils Monocular Drum Microscope. Paris, France, circa 1860. Model: 1842Signed "Nachet et FIls 17, rue St Severin, Paris", the lacquered drum-type microscope, with rectangular shaped stage a