Casting pattern: Pendulum suspension chops
Date19th Century
Inventory Number2005-1-0095
ClassificationCasting Pattern
Subject
Maker
William Bond and Son
fl. 1793 - 1977
Cultural Region
Place of Origin
Material
DescriptionMissing. Listed in the original Bond Pattern Inventory (1988) as "Pendulum suspension chops for regulators, strip of 3 (1)". Not found during cataloging (8/10/2010).
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.
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: circa 1880
Object number: 2005-1-0101
William Bond and Son
Date: circa 1867
Object number: 2005-1-0092
William Bond and Son
Date: 19th Century
Object number: 2005-1-0106
William Bond and Son
Date: 19th Century
Object number: 2005-1-0053
William Bond and Son
Date: circa 1867
Object number: 2005-1-0124
William Bond and Son
Date: circa 1867
Object number: 2005-1-0130
William Bond and Son
Date: 19th Century
Object number: 2005-1-0137
William Bond and Son
Date: circa 1867
Object number: 2005-1-0140
William Bond and Son
Date: circa 1867
Object number: 2005-1-0146
William Bond and Son
Date: circa 1867
Object number: 2005-1-0114