Schrauer monocular compound microscope
Datecirca 1870
Inventory Number1037
ClassificationMicroscope
Subject
Maker
L. Schrauer
1877 - 1890's
Cultural Region
Place of Origin
Dimensionsmicroscope: 30 × 15.5 × 17.5 cm (11 13/16 × 6 1/8 × 6 7/8 in.)
case: 40 × 21.3 × 18.6 cm (15 3/4 × 8 3/8 × 7 5/16 in.)
case: 40 × 21.3 × 18.6 cm (15 3/4 × 8 3/8 × 7 5/16 in.)
Material
Accessoriesobjective 1/18 Miller Bros. N. Y.; oculars (2); broken glass stage; metal frame for stage
DescriptionThis is a Schrauer monocular compound microscope. The instrument is constructed of brass and has an inclining stand. There is a monocular body tube with rack and pinion for the coarse adjustment. The fine focus is by a screw on top of a square post.
The microscope is equipped with a white metal stage with a black diaphragm ring on top. A double mirror on a swinging moveable rod sits below.
The entire instrument is supported by a double pillar on top of a Y-shaped base.
A mahogany case with drawers for the slides accompanies this instrument.
The microscope is equipped with a white metal stage with a black diaphragm ring on top. A double mirror on a swinging moveable rod sits below.
The entire instrument is supported by a double pillar on top of a Y-shaped base.
A mahogany case with drawers for the slides accompanies this instrument.
Signedon base: L. Schrauer / 42 Nassau St. / New York
Curatorial RemarksThe stage with the clamp to hold glass slide resembles the Zentmayer type.
ProvenanceErnst-Lewis Collection, Harvard Medical School
Historical AttributesAs noted on early file card, this instrument was presented to Dr. J.D. Hollback from Mrs. William H. Wellington.
Hugh Powell
Date: 1841
Accessories: oculars (2); objectives (3): 1/2, 1/8, 1/4 with attachable Lieberkühn; stage slide holder; stage fish plate holder; X-Y mechanical stage; fish plate; prepared slides (2); plain glass slides (2) and cover slips (2); box of cover slips; sponge; cotton bag; folding scalpel; fish plate; mount for stage forceps; fishhook; assorted hardware; case
Object number: 1164
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
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
John B. Dancer
Date: circa 1845
Accessories: ocular; objective; standing case
Object number: 1376
Boston Optical Works
Date: 1860-1890
Accessories: Three dated Tolles objectives: 1/2" Nov. 18, 1860, 1/4" Dec. 23, 1877, 1/5" Oct. 28, 1868; 1 high power solid eyepiece, 1 low power normal eyepiece; polarizer; substage mirror; mechanical stage, standing case.
Object number: 1066
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
J. & W. Grunow & Co.
Date: circa 1857
Accessories: ocular; broken objective
Object number: 1021
Carl Zeiss Jena
Date: circa 1932
Accessories: objectives (4): 3 achr. 8x, 10x, 20x , APO 40; ocular Mobimi K7x; condensor; mechanical stage; stereo set of ocular caps and stop; Abbe condensor; standing case.
Object number: 1370
Spencer Lens Company
Date: 1932-1940
Accessories: oculars (4): 10x, 12x compensating; objectives (3) with cans: 16, 4, 1.8mm; quadruple nosepiece; mechanical stage; Abbe condensor; monocular tube; standing case
Object number: 1318
Spencer Lens Company
Date: circa 1920
Accessories: objectives (5 pairs): 55, 48, 40, 32, 25 mm; oculars (3 pairs): 10x, 6x, 4x; hand rests (2); stage with wheel; large wooden stage; case
Object number: 1321
Ross and Company
Date: circa 1876
Accessories: paired oculars A,B; paired Ross oculars; objectives (3): :1/2 (no can), 2 Beck , 1/5 Ross; Wenham parabolic illuminator; condensor; X-Y and rotary stage; bull's eye on stand; double nosepiece; standing case
Object number: 1300
Ernst Leitz (company)
Date: circa 1872
Accessories: oculars (2): I, III; stage clips (2 missing); cup diaphragm; flat case
Object number: 1032
See also/See also
