vacuum filtration flask
DateNovember 1958
Inventory Number1997-1-1090
ClassificationGlassware
Subject
Maker
American
?
Cultural Region
Dimensions19.7 x 9.3 x 7.1 cm (7 3/4 x 3 11/16 x 2 13/16 in.)
blue board box: 10.2 × 44.8 × 16.2 cm (4 × 17 5/8 × 6 3/8 in.)
blue board box: 10.2 × 44.8 × 16.2 cm (4 × 17 5/8 × 6 3/8 in.)
Material
Accessoriesmetal adaptor
DescriptionThis is a tear-shaped filtration vessel with a metal adaptor and a tall, cylindrical top. There are two open tubes on the left-hand side, and two smaller holes in the body of this vessel. A small, thin wire attached to the metal adaptor has been placed inside the uppermost hole in the body of the vessel for an unspecified purpose. There is an inscription on the metal adaptor (#A).
Signedunsigned
Curatorial Remarksfrom BHMO [?] Nov 1958
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
Ernst Leitz (company)
Date: circa 1937
Accessories: standard eyepieces (3): 8X P, Periplan. OK 10X, and Periplan. Ok. 25X; wide eyepieces (3): 1, 1, 8X, 10X; objectives (4) in fitted case: 1b 4.3X, 3 10X, P7 62X, P 1/12 oel; waveplates (2); condenser with polarizer; mechanical stage; loupe 6x; box of cover glasses; standing case; key; objective adaptors (4); and watch keys (2)
Object number: 1999-1-0020a
Harvard College Observatory
Date: 1890-1900
Accessories: socket adaptor, light bulb, metal pointer
Object number: 1996-1-0260
Cary (firm history)
Date: 1855-1860
Accessories: ocular; cylindrical adaptor or substage baffle; standing box
Object number: 1234
Crosby Steam Gage & Valve Company
Date: circa 1900
Accessories: calibrated piston, adaptors for mounting gauges to testing apparatus (9); valve from another company [inscribed "BUCKEYE [?] WORKS/DAYTON O.]; screwdriver handle (or hex wrench); wrenches (2); receptacle oil can (missing top); weights missing; one gallon can of oil (2002-1-0100)
Object number: 2002-1-0003
Date: 1890-1930
Object number: RS0505
William J. Murdock Company
Date: 1910-1950
Object number: RS0163
Ernst Leitz (company)
Date: circa 1929
Accessories: 2x twin objective mount in adaptor; oculars (2): G 8 X
Object number: 1999-1-0075
Ernst Leitz (company)
Date: circa 1919
Accessories: oculars (2): 3, 8x; accessory box; Leitz objectives (5); wrenches (2); ground glass; N.A. 1.45 condensor cap; Abbe condensor; rotary stage; case
Object number: 1345