Collection online


  • Object type

  • Museum number


  • Description

    Prism; glass; projecting knobs at ends; equilateral.

  • Date

    • 17thC(late)
  • Production place

  • Materials

  • Dimensions

    • Length: 172 millimetres
  • Curator's comments

    Ward 1981 444
    An equilateral prism with each face 30.5 mm, the edges skightly rounded and the corners bevelled; lengths of the wholly straight portions of the edges 110, 113 and 114 mm.
    Formerly owned by Sir Isaac Newton, PRS; remained in his family until presented to the British Museum in 1927 by a collateral descendant of his, Rev. H.T. Inman


  • Bibliography

    • Ward 1981 444 bibliographic details
  • Location

    Not on display

  • Associated names

  • Acquisition name

  • Acquisition date


  • Department

    Britain, Europe and Prehistory

  • Registration number



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Object reference number: MCC3947

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