Patent Model - Improvement in Balance-Spring Holders for Watches
Maker and role
Jacob Shaw, Patentee
Production date
Apr 14 1874
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Object detail
Media/Materials
Bronze
Measurements
1 1/4 x 1/2" (3.2 x 1.3cm)
Description
Shaw's patent is "an Improvement in Attaching Hair or Balance Springs to Watches". It "relates to a new and improved mode of securing the outer ends of the balance or hair springs of time-pieces, whereby these springs are firmly held in a plane parallel to the plane of their balance-wheels..." (Patent Number 149,795)
Collection
Object number
2015.14.1734a,b
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