Keystone Mfg Co Microscopes

(4,184 price results)

Sort by:

Most Relevant

2 Brass Microscopes: 2 Brass Microscopes 1) Carl Zeiss, Jena, c. 1906, no. 51108, large Zeiss stand No. I, early model with fine adjustment according to Berger, combined rotating and mechanical stage no. 5577, Abbe conden

2024

2 Brass Microscopes

Koeln, NRW

Auction Team Breker

4.4

(209)

Brass Microscope by Leitz, c. 1908: Brass Microscope by Leitz, c. 1908 E. Leitz, Wetzlar, Germany. No. 108525, brass microscope with black-painted base in original finish, 3 lenses and 4 oculars, triple turret, body tube with rack-and-p

2024

Brass Microscope by Leitz, c. 1908

Koeln, NRW

Auction Team Breker

4.4

(209)

4 Microscopes: 4 Microscopes 1) Unmarked, England, c. 1895, black-painted claw base, tilting stand, original lacquered brass, concave mirror, sleeve with prism under the stage, 2 clamps on the stage, coarse adjustme

2024

Koeln, NRW

Auction Team Breker

4.4

(209)

3 Brass Compound Microscopes: 3 Brass Compound Microscopes 1) Marked on the tube: "Busch, Rathenow", c. 1910. No. 19007, original lacquered brass, black-painted cast-iron horseshoe foot, double mirror, substage condenser and iris

2024

3 Brass Compound Microscopes

Koeln, NRW

Auction Team Breker

4.4

(209)

3 Brass Microscopes: 3 Brass Microscopes 1) "E. Hartnack & A. Prazmowski, Rue Bonaparte 1, Paris", c. 1873, original lacquered brass, cast-iron base, tilting stand, single mirror, sliding tube, fine adjustment with knurle

2024

3 Brass Microscopes

Koeln, NRW

Auction Team Breker

4.4

(209)

3 Brass Microscopes: 3 Brass Microscopes 1) M. Pillischer, London "The International", c. 1870, no. 3102, original lacquered brass, 90˚ tilting tripod, concave mirror, substage pinhole diaphragm, sliding tube, coarse

2024

3 Brass Microscopes

Koeln, NRW

Auction Team Breker

4.4

(209)

3 Brass Microscopes: 3 Brass Microscopes 1) C. Reichert, Vienna, c. 1895, 90˚ tilting tripod, double mirror, substage height-adjustable Abbe condenser with iris diaphragm, sliding tube, coarse and fine adjustment, 2

2024

3 Brass Microscopes

Koeln, NRW

Auction Team Breker

4.4

(209)

2 Brass Microscopes: 2 Brass Microscopes 1) Engraved on the tube: "E. Hartnack & Co., Paris & Potsdam", c. 1880, original lacquered brass, single mirror on swinging tailpiece, substage pinhole diaphragm, bull's-eye conden

2024

2 Brass Microscopes

Koeln, NRW

Auction Team Breker

4.4

(209)

Binocular Microscope by Henry Crouch, London, c. 1870: Binocular Microscope by Henry Crouch, London, c. 1870 Engraved: "Henry Crouch, 54 London Wall, London", serial no. 461, polished brass, tilting stand, substage condenser, 2 pinhole diaphragms, coarse

2024

Binocular Microscope by Henry Crouch, London, c. 1870

Koeln, NRW

Auction Team Breker

4.4

(209)

3 English Brass Microscopes: 3 English Brass Microscopes 1) R. & J. Beck Ltd., London, c. 1895, no. 24869, original lacquered brass, 90˚ tilting tripod, double mirror, substage height-adjustable condenser with iris diaphragm

2024

3 English Brass Microscopes

Koeln, NRW

Auction Team Breker

4.4

(209)

Early German Brass Microscope, c. 1870: Early German Brass Microscope, c. 1870 Unmarked, very similar to the early models from the Carl Kellner and Belthle workshop in Wetzlar, original lacquered and burnished brass, concave mirror attached

2024

Early German Brass Microscope, c. 1870

Koeln, NRW

Auction Team Breker

4.4

(209)

3 Brass Microscopes, c. 1895: 3 Brass Microscopes, c. 1895 1) E. Leitz, Wetzlar, no. 25137, height 10 1/5 in. - 2) Unmarked, probably Austria, triple revolver, height 11 3/5 in. - And: 3) Unmarked, green-and-gold-painted cast base

2024

3 Brass Microscopes, c. 1895

Koeln, NRW

Auction Team Breker

4.4

(209)

2 English Brass Compound Microscopes: 2 English Brass Compound Microscopes 1) Engraved: "R. Field & Son, Birmingham, c. 1860, cast-iron claw-footed base, tilting stand, double mirror (one side broken), double milled-head pinion and triang

2024

2 English Brass Compound Microscopes

Koeln, NRW

Auction Team Breker

4.4

(209)

Leitz Brass Microscope, c. 1884: Leitz Brass Microscope, c. 1884 Ernst Leitz, Wetzlar, Germany. No. 6516, original lacquered brass, tilting stand, coarse and fine adjustment, double nosepiece, double mirror (plane side defective), he

2024

Leitz Brass Microscope, c. 1884

Koeln, NRW

Auction Team Breker

4.4

(209)

3 English Microscopes, c. 1900: 3 English Microscopes, c. 1900 1) "R. & J. Beck, London", no. 9994, original lacquered brass, tilting stand, double mirror, substage height-adjustable condenser, double turret, coarse and fine adjustm

2024

3 English Microscopes, c. 1900

Koeln, NRW

Auction Team Breker

4.4

(209)

2 French Compound Monocular Microscopes: 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

2024

2 French Compound Monocular Microscopes

Koeln, NRW

Auction Team Breker

4.4

(209)

10 Small Microscopes, 1880-1920: 10 Small Microscopes, 1880-1920 All unmarked, England or Germany, mostly brass, including 4 drum microscopes, with eyepiece and objective, some with further accessories, height up to 9 in., all in the

2024

10 Small Microscopes, 1880-1920

Koeln, NRW

Auction Team Breker

4.4

(209)

3 English Brass Compound Microscopes: 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.,

2024

3 English Brass Compound Microscopes

Koeln, NRW

Auction Team Breker

4.4

(209)

Microscope by Zeiss, c. 1885: Microscope by Zeiss, c. 1885 Carl Zeiss, Jena. No. 16583, original lacquered brass, 2 signed lenses and 2 oculars, draw tube coarse adjustment, fine adjustment with micrometer screw, double mirror, he

2024

Microscope by Zeiss, c. 1885

Koeln, NRW

Auction Team Breker

4.4

(209)

3 Brass Microscopes, c. 1870-80: 3 Brass Microscopes, c. 1870-80 Unmarked, original lacquered brass, with stage condensors, 1 eyepiece, 3 objectives screwed into each other, in matching mahogany cases. 1) Black-painted horseshoe base

2024

3 Brass Microscopes, c. 1870-80

Koeln, NRW

Auction Team Breker

4.4

(209)

French Compound Monocular Microscope, c. 1840: 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

2024

French Compound Monocular Microscope, c. 1840

Koeln, NRW

Auction Team Breker

4.4

(209)

Large Laboratory Microscope by Ernst Leitz, Wetzlar, c. 1910: Large Laboratory Microscope by Ernst Leitz, Wetzlar, c. 1910 Engraved on the tube: "E. Leitz London Wetzlar", no. 117541, horseshoe base, original lacquered, quadruple nosepiece, large cross stage, su

2024

Large Laboratory Microscope by Ernst Leitz, Wetzlar, c. 1910

Koeln, NRW

Auction Team Breker

4.4

(209)

ANTIQUE FAIRBANKS LABORATORY SCALE: ANTIQUE FAIRBANKS LABORATORY SCALE W/WEIGHTS, APPROXIMATELY 15 IN X 7 IN X 8 IN HIGH

2024

ANTIQUE FAIRBANKS LABORATORY SCALE

Stewartsville, NJ

Dennis Auction Service, Inc.

4.6

(566)

Antique Boch a& Lomb Microscope: Antique Boch a& Lomb Microscope

2024

Antique Boch a& Lomb Microscope

Sussex , NJ

Penny Lane Antiques & Appraisals

4.2

(41)

View:

24

TOP