Casting pattern: Conical pendulum collar for Bond regulators nos. 394, 395, 396
Datecirca 1867
Inventory Number2005-1-0146
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 a conical pendulum collar for Bond Regulators Nos. 394, 395, & 396.
Signedunsigned
InscribedIn red paint: 6
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: 2005-1-0137
William Bond and Son
Date: circa 1867
Object number: 2005-1-0136
William Bond and Son
Date: circa 1867
Object number: 2005-1-0138
William Bond and Son
Date: circa 1867
Object number: 2005-1-0139
William Bond and Son
Date: circa 1867
Object number: 2005-1-0141
William Bond and Son
Date: circa 1867
Object number: 2005-1-0142
William Bond and Son
Date: circa 1867
Object number: 2005-1-0143
William Bond and Son
Date: circa 1867
Object number: 2005-1-0133
William Bond and Son
Date: circa 1867
Object number: 2005-1-0135
William Bond and Son
Date: circa 1867
Object number: 2005-1-0092
William Bond and Son
Date: circa 1867
Object number: 2005-1-0130
William Bond and Son
Date: circa 1867
Object number: 2005-1-0124
