Guillaume compensation balance

From Object Wiki

Guillaume compensation balance
Manufacturer	(unknown)
Production years	(unknown)
Production location	(unknown)

Guillaume or ‘integral’ balance.

[edit] How it works

A balance with four equal bi-metallic arms, each made of brass together with Guillaume’s special nickel-steel alloy whose expansion co-efficient is greater at low temperatures than at higher ones. Gives very close and continuous compensation for the change of stiffness of a steel balance-spring.

[edit] Memories

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[edit] In the Science Museum's Records

Inv. No: 1929-73