Baker monocular compound microscope
Datecirca 1870
Inventory Number1235
ClassificationMicroscope
Subject
Maker
Charles Baker
1851 - 1909
Cultural Region
Place of Origin
Dimensionsmicroscope: 40 × 18 × 15.5 cm (15 3/4 × 7 1/16 × 6 1/8 in.)
case: 34.5 x 20 x 24.5 cm (13 9/16 x 7 7/8 x 9 5/8 in.)
case: 34.5 x 20 x 24.5 cm (13 9/16 x 7 7/8 x 9 5/8 in.)
Material
Accessoriesobjective; canister for small diameter thread objective; ocular; case
DescriptionThis is a Baker monocular compound microscope. The instrument is constructed of brass. The vertical monocular body is mounted to a triangular post by a horizontal bracket. The post slides into a rectangular mount hinged between two supports on a flat tripod base. The coarse adjustment is by rack and pinion, with the knobs located on the horizontal bracket and on both sides of the square mount. The fine focus is operated by a wheel on the body tube.
The microscope is equipped with a square mechanical stage and substage mirror.
The instrument and accessories are stored in a standing mahogany case.
The microscope is equipped with a square mechanical stage and substage mirror.
The instrument and accessories are stored in a standing mahogany case.
Signedon instrument: BAKER 244 High Holborn LONDON
Curatorial RemarksThis microscope was restored to beautiful condition in 1966.
The case in which the microscope is stored is not an original.
ProvenanceGift by David P. Wheatland to CHSI, 1965
Charles Baker
Date: circa 1865
Accessories: oculars (2): A and unmarked; objectives (2) with brass canisters (2); tweezers; stage forceps with needle; small polarizer; prepared slides (13); glass slides (7); magnification table; standing case
Object number: 1219
Charles Collins
Date: circa 1860
Accessories: objectives:1/4, 1, 2, in canisters; oculars (2); stage forceps; dark field condenser; prepared slides (12); brass slide with glass window; standing mahogany case
Object number: 1236
Carl Zeiss Jena
Date: circa 1928
Accessories: oculars(2): a pair of K 15x Mobimi; objectives (3): apochromats 20 n.a. 0.65 and 70 n.a. 1.25, and achromat 8 n.a. 0.20; mechanical stage; condenser with iris diaphgragm; locking screw with washer and screwdriver; standing case, key.
Object number: 1369
Charles-Louis Chevalier
Date: circa 1840
Accessories: 2 regular objectives; a high power objective; a low power objective (a variable power dissecting lens) with an extension arm for this lens; 2 dissecting lenses; 1 objective with lieberkuhn; objective with polarizer; 2 regular eyepieces; 1 erecting eyepiece; 1 micrometer eyepiece; stage micrometer, stage bull's eye condenser on jointed arm; camera lucida; tweezers; 3 dissecting tools; pillar extension;
compressorium, 2 objective adaptive mounts (one with Chevalier threads, another with Oberhauser threads); 2 adaptors for Chevalier lenses to other microscopes (one adaptor having Society threads); case.
Object number: 1093
Andrew Pritchard
Date: 1835-1840
Accessories: objectives (4); oculars (6); lieberkühns (4); stage forceps; bull's eye condenser on stand; spring stage; extra mechanical stage; polarizer; cup diaphragms and holders; substage fork mount; live box; glass troughs (2); concave glass; fish tube holder; case; 2 keys. See also slide micrometers (2) (1088b,c)
Object number: 1088a
Robert Field & Son
Date: circa 1845
Accessories: oculars (2); objectives (4); objectives in canisters (2); magnifiers (2); polarizer and analyzer; live box; substage mount (1) with stops (2); scalpel and needle; tweezers; slides (2); standing case
Object number: 1325
Spencer Lens Company
Date: circa 1875
Accessories: objectives (6): Tolles 8/10 " dated 5/1/1863, 2 marked Spencer on can, 1 European shape "5", 2 other; oculars (2); polarizer set; box of general subjects slides; substage mirror; magnifier; case
Object number: 1159
Carl Zeiss Jena
Date: circa 1928
Accessories: oculars (3)): 10x Mobimi, 15x & Mobimi, 10x; objectives (3) 90 / 1.25, 40 / 0.65, 10 / 0.30; canisters (3): 90, 40, 8; mechanical stage on vulcanite; Abbe illuminator; triple nosepiece; stops (2): 1, r; screwdriver with locking screw and washer; wrench; standing case; key.
Object number: 1996-1-0339
Andrew Ross
Date: circa 1850
Accessories: objectives (5); condenser lens; eyepiece bracket (1) with eyepieces (4); polarizing lens; reducing ring; stage forceps; case
Object number: 1035a
Andrew Ross
Date: circa 1850
Accessories: objectives (5); condenser lens; eyepiece bracket (1) with eyepieces (4); polarizing lens; reducing ring; stage forceps; case
Object number: 1035b
James Swift & Son, Ltd.
Date: circa 1900
Accessories: oculars (2); objectives in canisters (3): 2/3, 1/6 0.83, 1/12 1.30: prepared slides (4), slide; box of cover glasses; case
Object number: 1329
Edward Bryan
Date: 1866-1879
Accessories: objectives in canisters (3): 1/4, 1, 2 inch; ocular; live box; box of cover slips; prepared slides (5 small, 12 large); ivory slide; 5 powdered specimens in blue paper; bull's eye condenser; stage forceps; standing case with parts drawer.
Object number: 1085