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Casting pattern: Rectangular block
Casting pattern: Rectangular block

Casting pattern: Rectangular block

Date19th Century
Inventory Number2005-1-0155
ClassificationCasting Pattern
Subject
    Maker William Bond and Son fl. 1793 - 1977
    Cultural Region
      Place of Origin
        Material
          DescriptionWood casting pattern for a rectangular block. From Bond workshop.
          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 pattern: Pendulum top block or dial foot
          Casting pattern: Pendulum top block or dial foot
          William Bond and Son
          Date: 19th Century
          Object number: 2005-1-0106
          Casting pattern: Split pillar
          Casting pattern: Split pillar
          William Bond and Son
          Date: 19th Century
          Object number: 2005-1-0156
          Casting pattern: Large split pillar
          Casting pattern: Large split pillar
          William Bond and Son
          Date: 19th Century
          Object number: 2005-1-0154
          Casting pattern: Large ring
          Casting pattern: Large ring
          William Bond and Son
          Date: 19th Century
          Object number: 2005-1-0148
          Casting pattern: Bevelled disk
          Casting pattern: Bevelled disk
          William Bond and Son
          Date: 19th Century
          Object number: 2005-1-0150
          Casting pattern: Disk
          Casting pattern: Disk
          William Bond and Son
          Date: 19th Century
          Object number: 2005-1-0151
          Casting pattern: Regulator seatboard
          Casting pattern: Regulator seatboard
          William Bond and Son
          Date: 19th Century
          Object number: 2005-1-0152
          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 rectangular weights for chronograph
          Casting patterns: 2 rectangular weights for chronograph
          William Bond and Son
          Date: 19th Century
          Object number: 2005-1-0074
          Casting pattern from Bond shop
          Casting pattern from Bond shop
          William Bond and Son
          Date: 19th Century
          Object number: 2005-1-0149
          Casting pattern: Pendulum top block
          Casting pattern: Pendulum top block
          William Bond and Son
          Date: 19th Century
          Object number: 2005-1-0108
          Casting pattern: Core box for a hollow pillar
          Casting pattern: Core box for a hollow pillar
          William Bond and Son
          Date: 19th Century
          Object number: 2005-1-0157