Earnshaw compensation balance

From Object Wiki

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

Balances of modified Earnshaw type. For use with a steel or palladium balance-spring.

[edit] How it works

One pair of bi-metallic arms carries a pair of relatively heavy fixed weights; the second pair carries two lighter screws whose position can be varied to vary the amount of compensation given.

[edit] Memories

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[edit] In the Science Museum's Records

Inv. No: 1929-69