Casting patterns: 4 chronometer rings
Date19th Century
Inventory Number2005-1-0031
ClassificationCasting Pattern
Subject
Maker
William Bond and Son
fl. 1793 - 1977
Cultural Region
Place of Origin
Material
DescriptionMissing. Possibly subdial rings. One broken. The original Bond pattern Inventory (1988) states: "Subdial rings? (4) 1 broken".
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: 19th Century
Object number: 2005-1-0030
William Bond and Son
Date: 19th Century
Object number: 2005-1-0029
William Bond and Son
Date: 19th Century
Object number: 2005-1-0048
William Bond and Son
Date: 19th Century
Object number: 2005-1-0049
William Bond and Son
Date: circa 1867
Object number: 2005-1-0092
William Bond and Son
Date: 19th Century
Object number: 2005-1-0027
William Bond and Son
Date: circa 1867
Object number: 2005-1-0093
William Bond and Son
Date: 19th Century
Object number: 2005-1-0057
William Bond and Son
Date: 19th Century
Object number: 2005-1-0056