Casting pattern: L-shaped mounting bracket
Date19th Century
Inventory Number2005-1-0153
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 an L-shaped mounting bracket. The casting appears to have been made thicker by the application of two pieces of veneer on the inner surfaces, which are currently detached.
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.
William Bond and Son
Date: circa 1867
Object number: 2005-1-0134
William Bond and Son
Date: circa 1867
Object number: 2005-1-0114
William Bond and Son
Date: circa 1867
Object number: 2005-1-0133
William Bond and Son
Date: 19th Century
Object number: 2005-1-0056
William Bond and Son
Date: 19th Century
Object number: 2005-1-0065
William Bond and Son
Date: circa 1867
Object number: 2005-1-0144
William Bond and Son
Date: circa 1867
Object number: 2005-1-0145
William Bond and Son
Date: 19th Century
Object number: 2005-1-0166
William Bond and Son
Date: 19th Century
Object number: 2005-1-0167
William Bond and Son
Date: 19th Century
Object number: 2005-1-0170