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Casting pattern: 2 pillars
Casting pattern: 2 pillars

Casting pattern: 2 pillars

Date19th Century
Inventory Number2005-1-0183
ClassificationCasting Pattern
Subject
    Maker William Bond and Son fl. 1793 - 1977
    Cultural Region
      Place of Origin
        DimensionsStorage box: 20 x 15 x 4 cm (stored in same box with 2005-1-0170, 2005-1-0171, 2005-1-0172, 2005-1-0188, & 2005-1-0189)
        Material
          DescriptionWood casting pattern of two pillars (resembles two cage pillars: 2005-1-0118).
          Signedunsigned
          FunctionBefore sand casting an instrument part from brass or other metal, a foundry pattern is made from wood or metal. The pattern is a replica of the part to be cast. The pattern is pressed into sand, creating a cavity into which the molten metal will be poured.
          ProvenanceWilliam B. Osgood, gift to CHSI, 1959.
          Historical AttributesThese foundry patterns came from the workshop of William Bond & Son. Some of the patterns are associated with astronomical regulators and instruments used at the Harvard College Observatory. These instruments are currently in the Harvard Collection of Historical Scientific Instruments.
          Casting patterns: 2 movement pillars for chronographs
          Casting patterns: 2 movement pillars for chronographs
          William Bond and Son
          Date: 19th Century
          Object number: 2005-1-0055
          Casting pattern: 3 dial and movement pillars
          Casting pattern: 3 dial and movement pillars
          William Bond and Son
          Date: 19th Century
          Object number: 2005-1-0113
          Casting patterns: Three trunnions for chronograph drums
          Casting patterns: Three trunnions for chronograph drums
          William Bond and Son
          Date: 19th Century
          Object number: 2005-1-0052
          Casting: 2 clock or chronometer pillars
          Casting: 2 clock or chronometer pillars
          William Bond and Son
          Date: 19th Century
          Object number: 2005-1-0080
          Casting pattern: pillar capitals for Bond regulator nos. 394, 395, 396
          Casting pattern: pillar capitals for Bond regulator nos. 394, 395, 396
          William Bond and Son
          Date: circa 1867
          Object number: 2005-1-0118
          Casting pattern: 2 pillar screws for Bond regulators nos. 394, 395, 396
          Casting pattern: 2 pillar screws for Bond regulators nos. 394, 395, 396
          William Bond and Son
          Date: circa 1867
          Object number: 2005-1-0143
          Casting: case furniture pillar
          Casting: case furniture pillar
          William Bond and Son
          Date: 19th Century
          Object number: 2005-1-0088
          Casting pattern: Bracket
          Casting pattern: Bracket
          William Bond and Son
          Date: 19th Century
          Object number: 2005-1-0182
          Casting pattern: Split rail pillar for chronograph
          Casting pattern: Split rail pillar for chronograph
          William Bond and Son
          Date: 19th Century
          Object number: 2005-1-0061
          Casting pattern: Large split pillar
          Casting pattern: Large split pillar
          William Bond and Son
          Date: 19th Century
          Object number: 2005-1-0154
          Casting pattern: Split pillar
          Casting pattern: Split pillar
          William Bond and Son
          Date: 19th Century
          Object number: 2005-1-0156
          Casting pattern: Upper motion work pillar for Bond regulator no. 394
          Casting pattern: Upper motion work pillar for Bond regulator no. 394
          William Bond and Son
          Date: circa 1867
          Object number: 2005-1-0116