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heating element ?
heating element ?

heating element ?

Date1900-1950
Inventory Number1998-1-1577
ClassificationStove
Subject
    Cultural Region
      Dimensions5.1 x 22.2 x 10.1 cm (2 x 8 3/4 x 4 in.)
      Material
        DescriptionA stone brick with stove-top-like surfaces in which there are circular impressions, in the middle of which are circular cavities with metal wires coiled around them and going all the way through to the mouth of the cavities on the other side of the brick, where there are wire contacts.
        Signedunsigned
        FunctionPerhaps an early form of electric stove.
        pieces of a cathode from a Radiotron UY-227 vacuum tube
        Radio Corporation of America
        Date: 1920-1930
        Accessories: red cardboard cylinder case
        Object number: VT5195
        pieces of a cathode from a Cunningham C237 vacuum tube
        AudioTron Sales Company
        Date: 1920-1930
        Accessories: red cardboard cylinder case
        Object number: VT5194
        box of accessories for Bromfield's solar microscope
        English
        Date: circa 1745
        Object number: 1169c
        Faraday apparatus
        Heinrich Daniel Ruhmkorff
        Date: 1860-1880
        Accessories: instrument parts of various shapes and sizes (b)
        Object number: 1997-1-0255a
        Faraday apparatus accessories
        Heinrich Daniel Ruhmkorff
        Date: 1860-1880
        Object number: 1997-1-0255b
        geological chart: Terrains et Roches composant l'ecorce du Globe
        Henri G. Galeotti
        Date: 1830-1858
        Object number: 1998-1-1450
        Pyrocon surface pyrometer
        Alnor Instrument Company
        Date: 1930-1940
        Accessories: thermocouples (2); arm; mercury thermometer
        Object number: 2002-1-0031
        gunner's caliper with sector
        George Adams (I)
        Date: circa 1766
        Accessories: original case
        Object number: DW0955
        sixteen-piece set of drawing instruments in wooden box
        Aston & Mander Company, Ltd.
        Date: circa 1915
        Accessories: double shelved mahogany case
        Object number: 1989-4-0011
        cathode, grid, and anode from Eveready Raytheon ER227 vacuum tube
        American Ever Ready Company
        Date: circa 1930
        Accessories: red cardboard cylinder case
        Object number: VT5201
        S. S. Stevens operating reaction time teaching apparatus, 1941
        Stanley Smith Stevens
        Date: 1941
        Object number: 1997-1-1909
        inner part of a cathode ray tube with deflector plates
        American
        Date: 1915-1930
        Object number: 2008-1-0127