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projection pointer parts
projection pointer parts

projection pointer parts

Date1950-1960
Inventory Number1996-1-0366
ClassificationProjection Pointer
Subject
    Maker Jefferson Electric 1915-present
    Cultural Region
      Place of Origin
        Dimensions10 x 34 x 28 cm (3 15/16 x 13 3/8 x 11 in.)
        Material
          Accessoriesfaceplate; power cord; transformer
          DescriptionThe loose faceplate and power cord of an Ednalite Projection Pointer, rewired to a much larger transformer than was originally present. The rectangular faceplate, covered in a blue and gray pattern, has a circular hole on the left side and a slightly smaller circular outlet on the right side. The power cord is two-pronged. The transformer is black.
          Signedon faceplate: THE EDNALITE OPTICAL CO. INC. on transformer, along the top, written in thin font: JEFFERSON / ELECTRIC
          Inscribedon faceplate: EdnaLite Projection Pointer / MADE IN U. S. A. BY / THE EDNALITE OPTICAL CO. INC. / PEEKSKILL, N. Y. / 100-117 VOLT AC ONLY MODEL 100-A / TRADE MARK REG. on transformer: 637-731 Jefferson Electric UL / SEC. / 6V. 100 VA. / 120 V. 60 CY. 21862-3 on faceplate, in white type on a label: 100-A
          Curatorial RemarksSee intact Ednalite Projection Pointer at 1997-1-0102.
          FunctionParts of an Ednalite projection pointer, which is an arrow shaped pointer used as a teaching tool. One ancestor to our present laser pointers.
          Bowmar Century Mark IV electronic calculator
          Bowmar/Ali Inc.
          Date: circa 1974
          Accessories: black imitation leather carrying case with perimeter zipper; power supply cord attached to transformer plug
          Object number: 1990-7-0003
          digital millisecond timer
          Ralph Gerbrands Company
          Date: circa 1950
          Accessories: round-base attachment Gray power cord Pair of green wires
          Object number: WJ1058
          variable transformer
          General Radio Company
          Date: circa 1970
          Object number: 2003-1-0168
          Ednalite projection pointer
          Date: 1960-1970
          Accessories: instruction manual; business reply card; guarantee; cord; key to lock
          Object number: 1997-1-0108
          Luft model 77 electromechanical controller
          Luft Instruments, Inc.
          Date: circa 1964
          Accessories: adapter
          Object number: 1996-1-0453
          Spencer Lens Company
          Date: circa 1940
          Accessories: transformer (2009-1-0081)
          Object number: 2009-1-0072
          Polaroid Digital Mini Portrait camera-printer
          Polaroid Corporation
          Date: 2003
          Accessories: printer ribbon, power cable, adapter cable, original packing materials, instruction manuals (in object file), and gray card (in object file)
          Object number: 2009-1-0039
          Ednalite projection pointer
          Date: 1950-1960
          Accessories: cord in box.
          Object number: 1997-1-0102
          Ediphone dictation machine
          Thomas A. Edison, Inc.
          Date: circa 1930
          Object number: 8505
          refillable pencil pointer
          American
          Date: circa 1925
          Accessories: two-toned brown sleeve case
          Object number: 1997-1-1919
          B&L carbon-arc projection microscope
          Bausch & Lomb Optical Company
          Date: 1950-1960
          Accessories: arc lamp, power supply, and carbons original to this microscope have been separated from it (1998-1-1637a). Objectives (3): 10X, 21X, 43X; vertical illuminator; projection eyepiece.
          Object number: 1998-1-1637
          DC power supply unit
          Electron Arc, Inc.
          Date: circa 1950
          Accessories: base; cover
          Object number: 2007-1-0085