colorimeter tubes
Date1966-1974
Inventory Number1996-1-0441
ClassificationColorimeter Tubes
Subject
Maker
VWR Scientific
1850s-present
Cultural Region
Dimensionstube: 10.3 × 1.5 × 1.5 cm (4 1/16 × 9/16 × 9/16 in.)
box: 1.9 × 23.2 × 10.3 cm (3/4 × 9 1/8 × 4 1/16 in.)
box: 1.9 × 23.2 × 10.3 cm (3/4 × 9 1/8 × 4 1/16 in.)
Material
Accessoriesbox base; box cover; glass tubes individually wrapped in paper
DescriptionA rectangular cardboard box of twelve optical glass test tube cuvettes (two rows with six thin columns with cardboard dividers). Each tube has a diameter of 0.5" and is wrapped in paper. The cover is yellow and has a rectangular green sticker.
Written in pen on sticker: for spectronic 20.
Written in pen on sticker: for spectronic 20.
Signedon sticker on cover: VWR Scientific.
Inscribedon sticker on cover: VWR Scientific, VWR United / CATALOG NUMBER 22363 / CODE 008 / PK 12
Curatorial RemarksObject 1996-1-0440 features a similar inscription, presumably by the user: "For B. + h. Spec. 20".
FunctionAfter being filled with solution samples, these tubes are subjected to light of a known light path length so that the amount of light absorbance and transmittance can be determined.
Erie Scientific Company
Date: 1955-1965
Accessories: styrofoam box; test tubes
Object number: 1996-1-0440
Bausch & Lomb Optical Company
Date: 1954-1960
Accessories: plastic dust cover
Object number: 1996-1-0451
Welsbach Company
Date: 1900-1930
Accessories: cardboard tubes containing individually wrapped mantles (17); box
Object number: 1998-1-1585
Klett Manufacturing Corporation
Date: circa 1950
Object number: 2006-1-0003
Breton Frères
Date: circa 1850
Accessories: 6 convertible objectives; 4 nosepieces, one with polarizer; 4 oculars; black / white disk; spare round stage with offset diaphragm; camera lucida; light polarizing insert; compressorium by Chevalier; fish trough; 2 prepared slides; 3 cuvettes; brass box specimen holder with compressed slides and collar to attach to microscope; flat case.
Object number: 1274
Charles W. Dixey
Date: circa 1830
Accessories: silver framed green shagreen case
original curatorial cards and photos
Object number: DW0288
Bausch & Lomb Optical Company
Date: 1900-1920
Accessories: brass keys (4), wooden slide carrier, projection lens
Object number: 2003-1-0129
George Gilbert Rakestraw
Date: 1878-1905
Accessories: microscope in its box (2004-1-0339b) ; bullseye condensers (2003-1-0339c,d); mineralogy books (in the CHSI library)
Object number: 2004-1-0339a
Leeds & Northrup Company
Date: 1910-1930
Accessories: plugs (12)
Object number: 1997-1-0185
Davis & Son
Date: 1843-1873
Accessories: small metal key
Object number: 1998-1-0606
