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extra coils for reflecting galvanometer
extra coils for reflecting galvanometer

extra coils for reflecting galvanometer

Date1900-1920
Inventory Number0156e
ClassificationGalvanometer Coils
Subject
    Cultural Region
      Place of Origin
        Dimensions3.3 × 8.3 × 8.1 cm (1 5/16 × 3 1/4 × 3 3/16 in.)
        Material
          DescriptionExtra set of coils and wooden case for reflecting galvanometer (0156a-f) mounted in square wooden case. Similar to object 0156d in this collection.
          Signedunsigned
          FunctionExtra set of coils to be used with reflecting galvanometer 0156a-f in this collection.
          ProvenanceFrom the Department of Physics, Harvard University, 11/6/1956.
          extra coils for reflecting galvanometer
          American
          Date: 1900-1920
          Object number: 0156d
          extra coils for reflecting galvanometer
          American
          Date: 1900-1920
          Object number: 0154d
          coil element for reflecting galvanometer
          American
          Date: circa 1920
          Object number: 0463
          reflecting galvanometer with moving magnet (ballistic galvanometer).
          American
          Date: 1890-1930
          Object number: 0155a,b,c,d
          demountable coil for reflecting galvanometer with moving magnet
          Siemens, Halske & Company
          Date: 1858-1865
          Object number: 0179d
          demountable coil for reflecting galvanometer with moving magnet
          Siemens, Halske & Company
          Date: 1858-1865
          Object number: 0179e
          detachable spherical iron shell for reflecting galvanometer with moving magnet
          Siemens, Halske & Company
          Date: 1858-1865
          Object number: 0179a
          detachable spherical iron shell for reflecting galvanometer with moving magnet
          Siemens, Halske & Company
          Date: 1858-1865
          Object number: 0179b
          Three-legged brass base with leve for reflecting galvanometer with moving magnet
          Siemens, Halske & Company
          Date: 1858-1865
          Object number: 0179c
          reflecting galvanometer with moving magnets
          American
          Date: circa 1915
          Accessories: Extra case of coils and extra set of magnets (0154d). Three extra magnets (3 bar magnets and 2 bar magnets attached to an aluminum wire) are not numbered because of size.
          Object number: 0154a,b,c
          reflecting galvanometer coil
          Department of Physics, Harvard University
          Date: 1890-1930
          Accessories: extra set of coils without multi-tap windings (0156d, e); extra magnet; square wooden case
          Object number: 0156b
          oscillator coils
          General Radio Company
          Object number: RS0847