parabolic mirror
Date1870-1920
Inventory Number1997-1-0044a
ClassificationMirror
Subject
Maker
Bausch & Lomb Optical Company
1853-present
Cultural Region
Place of Origin
Dimensions21 × 13.4 × 9 cm (8 1/4 × 5 1/4 × 3 9/16 in.)
box: 10.2 × 36.8 × 16.5 cm (4 × 14 1/2 × 6 1/2 in.)
box: 10.2 × 36.8 × 16.5 cm (4 × 14 1/2 × 6 1/2 in.)
Material
DescriptionParabolic mirror mounted on a frame.
Signedon stamp: BAUSCH & LOMB
Curatorial RemarksHoused in blue board box with no lid together with 1997-1-0044b. SMS 8/15/18
FunctionWas used to reflect light from a source so the light beams were all parallels to each other. Or, reversely, it was used to focus light on a single point.
Bausch & Lomb Optical Company
Date: 1900-1950
Accessories: brush, carrying case
Object number: 1997-1-1692
Bausch & Lomb Optical Company
Date: 1920-1940
Object number: 1998-1-0531
Bausch & Lomb Optical Company
Date: circa 1877
Accessories: B&L objectives (2); 1 ocular; camera lucida; eyepiece micrometer; slides (12 prepared; 2 plain); glass pipette; box of cover glasses; directions card; magnification card; case with key
Object number: 1056
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 1900
Accessories: objectives (2); arm rests (2); case
Object number: 1348
Bausch & Lomb Optical Company
Date: circa 1929
Accessories: 1 pair oculars 8x; 1 pair objectives 55 mm
Object number: 1379
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
