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Electromagnet instructions
Image Not Available for Electromagnet instructions

Electromagnet instructions

Datecirca 1923
Inventory Number1998-1-0624
ClassificationElectromagnet
Subject
    Maker L. E. Knott Apparatus Company 1896 - early 1930s
    Place of Origin
      DimensionsOverall: 0.1 lb., 0.5 x 16.5 x 9.2 cm (0.1 kg, 3/16 x 6 1/2 x 3 5/8 in.)
      Overall - Storage: 1 x 10 x 17 cm (3/8 x 3 15/16 x 6 11/16 in.)
      Accessoriesmatching envelope
      SignedOn envelope "Please return in 5 days to / L.E. KNOTT APPARATUS COMPANY/ 16 Harcourt Street,/ Boston, Mass"
      Curatorial RemarksMaker: C. Brooks Hersey
      five panel bridge truss model, Harvard Bridge
      five panel bridge truss model, Harvard Bridge
      L. E. Knott Apparatus Company
      Date: 1928
      Accessories: two cylindrical black weights; two pins with silver puck stands
      Object number: 5816
      six panel bridge truss model, Harvard Bridge
      six panel bridge truss model, Harvard Bridge
      L. E. Knott Apparatus Company
      Date: 1928
      Accessories: two cylindrical black weights; two pins with silver puck stands; small booklet describing experiments to perform with the bridge model
      Object number: 5817
      Puluj's apparatus to determine the mechanical equivalent of heat
      Puluj's apparatus to determine the mechanical equivalent of heat
      L. E. Knott Apparatus Company
      Date: 1890-1910
      Object number: 1996-1-0317
      stand with bracket
      stand with bracket
      L. E. Knott Apparatus Company
      Date: 1896-1930
      Object number: 2007-1-0002
      tripod stand base
      tripod stand base
      L. E. Knott Apparatus Company
      Date: early 20th Century
      Object number: 2007-1-0007
      balance
      balance
      L. E. Knott Apparatus Company
      Date: 1910-1920
      Accessories: steel weight trays (2)
      Object number: 2004-1-0305
      burner base with horizontal pipe
      burner base with horizontal pipe
      L. E. Knott Apparatus Company
      Date: circa 1900
      Object number: 1998-1-1580
      galvanometer with moving coil
      galvanometer with moving coil
      L. E. Knott Apparatus Company
      Date: 1910-1930
      Accessories: bell jar
      Object number: 0189a,b
      unkown magnetic communications device
      unkown magnetic communications device
      L. E. Knott Apparatus Company
      Date: late 19th-early 20th Century
      Object number: 1998-1-0458
      De la Rive's egg
      De la Rive's egg
      L. E. Knott Apparatus Company
      Date: circa 1920
      Object number: DW0538
      Leyden jar
      Leyden jar
      L. E. Knott Apparatus Company
      Date: 1900-1930
      Object number: 1997-1-1375
      barometer tube bell jar
      barometer tube bell jar
      L. E. Knott Apparatus Company
      Date: 1900-1930
      Object number: 1997-1-1086