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condenser tubes
condenser tubes

condenser tubes

Datelate 19th-early 20th Century
Inventory Number1997-1-1396
ClassificationGlassware
Subject
    Maker American ?
    Cultural Region
      Dimensions22 x 0.5 cm (8 11/16 x 3/16 in.)
      Material
        DescriptionThese are two long tubes, which are made of clear glass that is open at both ends with a ball-shaped compartment near one end followed by a conical aperture with ground glass surface . Smaller tubes, with a flared body and an open end, have been connected to the condenser tubes on a side with ground surface.
        Signedunsigned
        Hickman's three-stage self-fractionating diffusion pump
        Hickman's three-stage self-fractionating diffusion pump
        Distillation Products Industries
        Date: circa 1940
        Object number: 1998-1-0034
        stand with test tubes
        stand with test tubes
        American
        Date: mid 20th Century
        Accessories: wooden stand
        Object number: 1997-1-1530
        box of tubes and adapters
        box of tubes and adapters
        American
        Date: late 19th-mid 20th Century
        Object number: 1998-1-0552
        electrometer
        electrometer
        Günther & Tegetmeyer
        Date: 1930-1950
        Object number: 1997-1-0633
        empty vacuum tubes (5)
        empty vacuum tubes (5)
        Pyrex
        Date: 1890-1920
        Object number: 1998-1-1468
        universal vacuum gauge (McLeod gauge)
        universal vacuum gauge (McLeod gauge)
        Todd Scientific Company
        Date: 1955-1965
        Object number: 1996-1-0396
        spectral adaptometer
        spectral adaptometer
        George Wald
        Date: circa 1960
        Object number: 2000-1-0007
        small glass test tubes (4)
        small glass test tubes (4)
        American
        Date: 1880
        Object number: 1998-1-0530
        discharge tube display
        discharge tube display
        American
        Date: 1900-1950
        Object number: 1997-1-1765
        saccharimeter tubes
        saccharimeter tubes
        Louis Jules Duboscq
        Date: 1860-1880
        Object number: 1997-1-2029
        tubes (4)
        tubes (4)
        American
        Date: late 19th-early 20th Century
        Object number: 1997-1-1398
        tube
        tube
        American
        Date: late 19th-mid 20th Century
        Object number: 1997-1-1500