Beck student compound microscope
Datecirca 1890
Inventory Number1296
ClassificationMicroscope
Subject
Maker
R. & J. Beck
1865 - 1920
Owner
Prof. Cornelius S. Hurlbut Jr.
1906 - 2005
Cultural Region
Place of Origin
Dimensionsmicroscope: 26 × 11 × 13.9 cm (10 1/4 × 4 5/16 × 5 1/2 in.)
case: 12.5 × 17.5 × 29.5 cm (4 15/16 × 6 7/8 × 11 5/8 in.)
case: 12.5 × 17.5 × 29.5 cm (4 15/16 × 6 7/8 × 11 5/8 in.)
Material
Accessoriesoculars (2); objectives (2); threaded brass sleeve; horizontal box
DescriptionThis is a Beck student compound microscope. It has a simple design, consisting of a solid triangular base supporting an arm attached to a draw tube. There is a rectangular stage fitted with an iris diaphragm underneath and a substage mirror on a tail piece. The coarse focus is by rack and pinion. The fine adjustment is by a screw located at the top of the arm.
This instrument is accompanied by a flat case covered in red fabric.
This instrument is accompanied by a flat case covered in red fabric.
Signedmarked: R & J. BECK / LONDON
Inscribedmarked: 17674
marked: WILLIAMS BROWN & EARLE PHILADELPHIA
on paper on base: STUDENT'S PALEONTOLGICAL/ DEPARTMENT/ HARVARD UNIVERSITY
FunctionThis instrument was used in the Geology Department.
Provenancecourtesy of Professor C.S. Hurlbut, Jr., 1969
R. & J. Beck
Date: circa 1878
Accessories: oculars (3); eye mask; Beck objectives with cans (2): 1, 1/6 in.; anonymous onjective: 1/15 in homog. im..; tweezers; triple nosepiece; Rousselet-type sliding stage; Abbe condenser; iris diaphgragm; cover slips (2); prescription envelope; instructions; lock parts; standing case with key.
Object number: 1362
R. & J. Beck
Date: circa 1890
Accessories: paired oculars; objective 16mm ; analyzer in mount; polarizer in mount; mechanical stage
Object number: 1328
R. & J. Beck
Date: circa 1879
Accessories: objective 2 in. Ross No. 20372 in original case; empty case for 1.5 in. objective R&J Beck; ocular
Object number: 1140
R. & J. Beck
Date: circa 1885
Accessories: objectives (3); paired oculars
Object number: 1273
R. & J. Beck
Date: 1876
Accessories: oculars (2) in microscope; Darker's selenite retarding filters (3); wheel diaphragm; mechanical rotary stage; stage slider. Other accessories are in the case (1122b), including monocular draw tube; oculars (3); objectives in cans (5); empty can; Lieberkühn; polarizing set; slides; camera lucidas (2); etc.; plus a Beck patent substage condenser (1122c); and apertometer (1122d).
Object number: 1122a
Smith & Beck
Date: circa 1850
Accessories: Achromatic condensor; a darkfield condenser (Wenham's parabolic reflector); a substage set of aperture stops on a swingaway vane inside a sleeve; a nickel tweezers; a stage forceps; and a bull's eye condenser with a stand, a glass tray for the stage, Varley live box; case.
Object number: 1059
R. & J. Beck
Date: circa 1884
Accessories: oculars (2); double nosepiece; mahagony case with various parts (see description)
Object number: 1083
R. & J. Beck
Date: circa 1889
Accessories: objective 1 1/2 in.; ocular
Object number: 1154
R. & J. Beck
Date: 1876
Accessories: Beck patent substage condenser (1122c); apertometer (1122d)
Object number: 1122b
R. & J. Beck
Date: before 1889
Accessories: objective with canister; oculars (2); vertical illuminator attachment with iris and adjustable mirror; polarizer (analyzer missing); small leather case; extra coaxial illuminator mirrors (5)
Object number: 1204a
R. & J. Beck
Date: before 1889
Accessories: objective with canister; oculars (2); vertical illuminator attachment with iris and adjustable mirror; polarizer (analyzer missing); small leather case; extra coaxial illuminator mirrors (5)
Object number: 1204b
R. & J. Beck
Date: circa 1907
Accessories: eyepiece telescope to magnify image
Object number: 1122d