Skip to main content
Advanced Search
inductance coil
inductance coil

inductance coil

Datecirca 1925
Inventory Number0365
ClassificationInductance Coil
Subject
    Maker American ?
    User Cruft Laboratory, Harvard University founded 1914
    Cultural Region
      Place of Use
        Dimensions13.2 × 21.2 × 14.1 cm (5 3/16 × 8 3/8 × 5 9/16 in.)
        Material
          DescriptionFrom instrument card: "Two coils (of 17 turns each - if single layer) on bakelite spools (3 1/8" dia) mounted on either side of heavy bakelite support. This again is mounted on a rectangular base (of bakelite) with two binding posts and rotating switch to connect the coils (presumably) in series "MAX" or parallel "MIN".
          Signedunsigned
          Inscribedbase marked: No. 51; has card/tags; marked: No 51 17 TURNS, 2A=8.014 CMS, 2K=1.079 CMS, B= 3.610CMS
          Curatorial RemarksSimilar to object 0364 and has same provenance.
          FunctionTo create a magnetic force when attached to a battery.

          More information on inductors is found on the following website.
          ProvenanceFrom Cruft Laboratory, Physics Department, Harvard Universtity.
          Historical AttributesUsed in the Cruft Laboratory, Harvard University.
          induction coil
          induction coil
          American
          Date: circa 1925
          Object number: 0364
          Green wooden storage box,containing misc. coils, variometers
          Green wooden storage box,containing misc. coils, variometers
          Date: late 19th-early 20th Century
          Object number: RS0168
          inductance standard
          inductance standard
          American
          Date: circa 1920
          Object number: 0482
          Green wooden storage box containing various coils and variometers
          Green wooden storage box containing various coils and variometers
          Date: 1890-1930
          Object number: RS0508
          inductance coil
          inductance coil
          American
          Date: 1900-1930
          Object number: 1997-1-0151
          Green wooden box containing knife and rotary switches
          Green wooden box containing knife and rotary switches
          Date: 1890-1930
          Object number: RS0179
          induction coils
          induction coils
          Department of Physics, Harvard University
          Date: circa 1915
          Object number: 0476
          variable inductance
          variable inductance
          George Washington Pierce
          Date: circa 1905
          Object number: 0520
          2 inductance coils
          2 inductance coils
          American
          Date: late 19th-early 20th Century
          Object number: 0366a,c
          inductance coil
          inductance coil
          American
          Date: circa 1890
          Accessories: box with sliding lid; envelope with parts
          Object number: 0442
          inductance standard
          inductance standard
          Department of Physics, Harvard University
          Date: circa 1920
          Object number: 0481
          green wooden box with equipment stands, electrical, magnetic apparatus
          green wooden box with equipment stands, electrical, magnetic apparatus
          Date: 1890-1930
          Object number: RS1425a