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lifting magnet (lower section with hook)
lifting magnet (lower section with hook)

lifting magnet (lower section with hook)

Date1910-1940
Inventory Number1997-1-0162b
ClassificationMagnet
Subject
    Cultural Region
      Place of Origin
        Dimensions8.2 × 5.8 × 8.2 cm (3 1/4 × 2 5/16 × 3 1/4 in.)
        Material
          DescriptionThis object has two components. The first is the base. Because it is black and a disk, the base resembles a hockey puck. However, the base is flatter and broader than a hockey puck, and its edges are rounded. The second component, emerging from the center of the base is a black hook. The hook maintains a constant thickness throughout, and ends flat, with abrupt edges.
          Signedunsigned
          Curatorial RemarksUpper half is catalogued under 1997-1-0162a.
          FunctionTogether, the parts of this electromagnet were designed to lift heavy objects.
          electric motor timer
          French
          Date: circa 1880
          Accessories: protecting case with glass window
          Object number: DW0095
          inclined plane with cycloid curve
          Watkins & Hill
          Date: 1830-1850
          Object number: 1996-1-0461
          Hammond multiplex typewriter
          Hammond Typewriter Company
          Date: circa 1923
          Accessories: four Hammond type shuttles for different type faces, each with a wooden storage box; four laminated paper rectangles with symbol placement guide; instruction book, instruction sheets, advertisements, and correspondence (in object file)
          Object number: 1996-1-0373
          lifting magnet (upper half)
          Central Scientific Company
          Date: 1910-1940
          Object number: 1997-1-0162a
          pantograph
          W. & S. Jones
          Date: circa 1813
          Accessories: mahogany case
          Object number: DW0846
          Amsler's polar planimeter
          American Steam Gauge Company
          Date: circa 1875
          Object number: 1996-1-0258
          Amsler's polar planimeter
          American Steam Gauge Company
          Date: circa 1875
          Object number: 1999-1-0066
          pantograph
          Troughton & Simms
          Date: circa 1840
          Object number: DW0808
          apparatus for generating electricity ?
          American
          Date: 1900-1950
          Object number: 1997-1-0671
          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
          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
          Nachet small compound microscope and accessories
          Nachet et Fils (I)
          Date: 1862
          Accessories: 3 Oculars: 1, 2, 3; 3 Objectives in fitted box:1, 2, 3; one on tube: also #5, but longer; Camera lucida "Nachet"; 9 Glass slides; Cover glasses; bull's eye on jointed arm; wheel with 2 stops under stage; small blue filter; flat case with key.
          Object number: 1069