microscope
Date1945-1960
Inventory Number2009-1-0085
ClassificationMicroscope
Maker
Bausch & Lomb Optical Company
1853-present
Maker
Spencer Lens Company
1895 - 1945
User
William Alexander Jackson
1905 - 1964
Dimensions38 × 41 × 19.5 cm (14 15/16 × 16 1/8 × 7 11/16 in.)
DescriptionTabletop microscope with Bausch & Lomb microscope body and mount and a Spencer Optical C0. objective lens (48 mm 2.2 x). The eyepeice 10X.
InscribedMain body of microscope:
BAUSCH & LOMB/OPTICAL CO./ROCHESTER, N.Y./U.S.A/299953
Mount arm: SER. NO. 299324
Base of mount: BAUSCH & LOMB/OPTICAL CO./ROCHESTER, N.Y./U.S.A
Obejctive lens:
SPENCER/BUFFALO/U.S.A.
48MM 2.2X
Eyepiece:
10X
BAUSCH & LOMB OPTICAL CO., ROCHESTER, N.Y., U.S.A.
ProvenanceWilliam A. Jackson, Librarian, Houghton Library, Harvard University, c. 1942 ; transfer to CHSI courtesy of Dennis Marnon, 2009.
Historical AttributesUsed by William A. Jackson (died 1964), first librarian of Houghton Library.
When Houghton Library opened in 1942, Jackson invested in a lot of state-of-the-art equipment for examining books and investigating them. The apparatus included microscopes, black lights, and special lamps. This was one of them.
Bausch & Lomb Optical Company
Date: 1930-1935
Accessories: micrometer eyepiece; oculars (5): 1 Leitz 8x, 1 pair B&L 6.4x, 1 pair B&L 12.5x; objective: Spencer 48 mm., 2.2x; monocular tube; glass bottle for immersion fluid; B & L canisters (3); case with key
Object number: 2003-1-0007
Bausch & Lomb Optical Company
Date: circa 1940
Accessories: apochromatic objectives (4): 90x, 47.5x, 20x, 10x; oculars (4): 1 pair 15x WF, 1 pair 10x WF; Abbe condenser.
Object number: 2003-1-0008
Bausch & Lomb Optical Company
Date: 1950-1960
Accessories: arc lamp, power supply, and carbons original to this microscope have been separated from it (1998-1-1637a). Objectives (3): 10X, 21X, 43X; vertical illuminator; projection eyepiece.
Object number: 1998-1-1637
Bausch & Lomb Optical Company
Date: 1950-1960
Object number: 1998-1-1637a
Bausch & Lomb Optical Company
Date: circa 1950
Accessories: oculars (4): 1 pair B&L 15x wide field, 1 pair 10x ; B&L achromatic objectives (3): 97x, 43x, 10x.
Object number: 2003-1-0071
Bausch & Lomb Optical Company
Date: circa 1910
Accessories: objectives with original canisters (3): 1.9 mm 1.30 n.a., 4 mm 0.65 n. a.,16 mm 0.25 n. a.; oculars (2): 5, 10; immersion oil bottle; standing case with key
Object number: 1304
Bausch & Lomb Optical Company
Date: 1897-1908
Accessories: ocular: 2; objectives (6): B. & L. 1/12, 1/2, 2, Reichert No. 3 and No 7a (missing), Spencer & Smith 1/4, 1; immersion oil in canister; blue filter; square cover glasses; dark-field stop; empty pillbox for cover slips; 5 Triple Alliance glass slides in paper; magnification table; case; key.
Object number: 1387
Bausch & Lomb Optical Company
Date: circa 1899
Accessories: B&L objectives on triple nosepiece and with cans (3): 1/12, 1/6, 2/3"; Zeiss objective for oil immersion: 40; Leitz mechanical stage; oculars (2): 1, 2; Abbe condensor; immersion oil can; standing case; key; spare stage clips.
Object number: 1351
Bausch & Lomb Optical Company
Date: 1876-1890
Accessories: objectives (2): Spencer, 44x 4 mm n.a. O.85; B&L 1/5
Object number: 2002-1-0057
Bausch & Lomb Optical Company
Date: 1908-1910
Accessories: ocular; objective; standing case
Object number: 1209
Bausch & Lomb Optical Company
Date: circa 1903
Accessories: eyepiece; objectives (3): "Variable", 2/3" 0.24 NA, 1/6''; triple nosepiece; substage including Abbe condenser; revolving mechanical stage
Object number: 2002-1-0055
See also/See also
