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muffle
muffle

muffle

Datemid 19th-early 20th Century
Inventory Number4809
ClassificationMuffle
Subject
    Cultural Region
      Dimensions5.9 x 11 x 7.9 cm (2 5/16 x 4 5/16 x 3 1/8 in.)
      Material
        DescriptionEarthenware muffle with a flat base and a domed top. Closed at one end, with slightly irregular slits in each of the three closed sides. Wrapped in newspaper.
        Signedunsigned
        FunctionUsed in furnaces to protect heated objects from direct contact with fire, for example, in the cupellation of ore buttons.
        muffle
        American
        Date: mid 19th-early 20th Century
        Object number: 4810
        muffle
        American
        Date: mid 19th-early 20th Century
        Object number: 4812
        muffle
        American
        Date: mid 19th-early 20th Century
        Object number: 4811
        Portable darkroom closed for travel.
        Richard W. Thomas
        Date: circa 1861
        Accessories: bottle and beaker (1998-1-1634a); hydrometer and manual (1998-1-1634b)
        Object number: 1998-1-1634
        silvered glass cover
        American
        Date: 1920-1950
        Object number: 1997-1-1110
        Kipp's hydrogen generator
        American
        Date: 1850-1900
        Object number: 3802
        operant chamber
        Scientific Prototype Manufacturing Corporation
        Date: 1960
        Accessories: manual: <i>Laboratory Studies in the Analysis of Behavior</i> by Homme and Klaus (1957)
        Object number: 2008-1-0003
        transformer
        ACME Apparatus Company
        Date: 1930-1950
        Accessories: handle; black cylindrical component; wrapping newspaper
        Object number: 1997-1-0516
        device designed to generate Lissajou figures
        American
        Date: 1900-1950
        Object number: 1996-1-0726
        Amsler's polar planimeter
        American Steam Gauge Company
        Date: circa 1875
        Object number: 1996-1-0258
        Amsler's polar planimeter
        American Steam Gauge Company
        Date: circa 1875
        Object number: 1999-1-0066
        apparatus for generating electricity ?
        American
        Date: 1900-1950
        Object number: 1997-1-0671