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induction coil
induction coil

induction coil

Date1900-1950
Inventory Number1997-1-0147
ClassificationCoil
Subject
    Cultural Region
      Dimensions35.2 × 9.1 × 6.5 cm (13 7/8 × 3 9/16 × 2 9/16 in.)
      Material
        DescriptionA long coil with wood ends and two brass binding posts on top. Wire covering the whole coil, varnished in green.
        Signedunsigned
        Curatorial RemarksInventory number 480 was first incorrectly catalogued as 1997-1-0147. The mistake has since been corrected and its previous number (480) was restored. 1997-1-0147 has been reassigned to this instrument.
        FunctionFor experimentation and demonstration of the high voltages induced in a secondary winding when the current in the primary windings is abruptly disrupted.
        induction coil
        American
        Date: 1850-1900
        Object number: 1997-1-0154
        induction coil
        American
        Date: 1890-1920
        Object number: 0368a
        induction coil
        American
        Date: 1900-1950
        Object number: 1997-1-0264
        induction coil
        American
        Date: 1890-1920
        Object number: 0368c
        induction coil
        American
        Date: 1890-1920
        Object number: 0368b
        induction coil
        Heinrich Daniel Ruhmkorff
        Date: circa 1859
        Object number: 0343
        induction coil
        American
        Date: 1900-1950
        Object number: 1997-1-0266
        induction coil
        American
        Date: 1890-1920
        Object number: 0368e
        induction coil
        American
        Date: 1890-1920
        Object number: 0368f
        flat spiral (or ribbon) coil
        Daniel Davis, Jr.
        Date: 1842-1855
        Object number: 0103
        flat spiral (or ribbon) coil
        Daniel Davis, Jr.
        Date: 1842-1855
        Object number: 0101
        flat spiral (or ribbon) coil
        Daniel Davis, Jr.
        Date: 1842-1855
        Object number: 0102