Casting: Brass ring
Date19th Century
Inventory Number2005-1-0194
ClassificationCasting Pattern
Subject
Maker
William Bond and Son
fl. 1793 - 1977
Cultural Region
Place of Origin
Material
DescriptionLarge brass ring. Found with Bond patterns.
Signedunsigned
InscribedIn pencil on side: 12 Brass
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: 2005-1-0092
William Bond and Son
Date: 19th Century
Object number: 2005-1-0052
William Bond and Son
Date: 19th Century
Object number: 2005-1-0055
William Bond and Son
Date: 19th Century
Object number: 2005-1-0031
William Bond and Son
Date: 19th Century
Object number: 2005-1-0060
William Bond and Son
Date: circa 1880
Object number: 2005-1-0094
William Bond and Son
Date: 19th Century
Object number: 2005-1-0029
William Bond and Son
Date: 19th Century
Object number: 2005-1-0030
William Bond and Son
Date: circa 1867
Object number: 2005-1-0130
William Bond and Son
Date: 19th Century
Object number: 2005-1-0081