Casting pattern: Carriage for electric chronograph
Date19th Century
Inventory Number2005-1-0165
ClassificationCasting Pattern
Subject
Maker
William Bond and Son
fl. 1793 - 1977
Cultural Region
Place of Origin
Material
DescriptionWood casting pattern for a carriage for an electric chronograph.
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: 19th Century
Object number: 2005-1-0171
William Bond and Son
Date: 19th Century
Object number: 2005-1-0069
William Bond and Son
Date: 19th Century
Object number: 2005-1-0054
William Bond and Son
Date: 19th Century
Object number: 2005-1-0163
William Bond and Son
Date: 19th Century
Object number: 2005-1-0164
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: 2005-1-0168
William Bond and Son
Date: 19th Century
Object number: 2005-1-0169
William Bond and Son
Date: 19th Century
Object number: 2005-1-0170
William Bond and Son
Date: 19th Century
Object number: 2005-1-0172
William Bond and Son
Date: 19th Century
Object number: 2005-1-0173