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Casting patterns: 2 drawer knobs
Casting patterns: 2 drawer knobs

Casting patterns: 2 drawer knobs

Date19th Century
Inventory Number2005-1-0038
ClassificationCasting Pattern
Subject
    Maker William Bond and Son fl. 1793 - 1977
    Cultural Region
      Place of Origin
        DimensionsStorage box: 7 x 7 x 3.5 cm
        Material
          DescriptionWood casting pattern for two drawer knobs.
          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 instrument are currently in the Harvard Collection of Historical Scientific Instruments.
          Casting patterns: 7 casting patterns
          Casting patterns: 7 casting patterns
          William Bond and Son
          Date: 19th Century
          Object number: 2005-1-0045
          Casting patterns and castings: 2 regulator screws patterns, 1 casting
          Casting patterns and castings: 2 regulator screws patterns, 1 casting
          William Bond and Son
          Date: 19th Century
          Object number: 2005-1-0097
          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 patterns: 2 strips of 6 collets and 2 cores
          Casting patterns: 2 strips of 6 collets and 2 cores
          William Bond and Son
          Date: 19th Century
          Object number: 2005-1-0086
          Casting patterns: 2 chronograph winding barrels
          Casting patterns: 2 chronograph winding barrels
          William Bond and Son
          Date: 19th Century
          Object number: 2005-1-0060
          Casting patterns: 2 large hex nuts, 1 brass crutch
          Casting patterns: 2 large hex nuts, 1 brass crutch
          William Bond and Son
          Date: 19th Century
          Object number: 2005-1-0078
          Casting patterns: 2 rectangular counter weights for chronograph
          Casting patterns: 2 rectangular counter weights for chronograph
          William Bond and Son
          Date: 19th Century
          Object number: 2005-1-0070
          Casting patterns: 2 barrels
          Casting patterns: 2 barrels
          William Bond and Son
          Date: 19th Century
          Object number: 2005-1-0103
          Casting patterns: 2 chronometer subdial rings
          Casting patterns: 2 chronometer subdial rings
          William Bond and Son
          Date: 19th Century
          Object number: 2005-1-0030
          Casting patterns: 2 rectangular weights for chronograph
          Casting patterns: 2 rectangular weights for chronograph
          William Bond and Son
          Date: 19th Century
          Object number: 2005-1-0074
          Casting patterns: 10 casting patterns
          Casting patterns: 10 casting patterns
          William Bond and Son
          Date: 19th Century
          Object number: 2005-1-0046
          Casting patterns: 22 ornamental patterns
          Casting patterns: 22 ornamental patterns
          William Bond and Son
          Date: 19th Century
          Object number: 2005-1-0043