balance staff
nounHorology.
a pivoted axle or shaft on which the balance is mounted.
Origin of balance staff
1First recorded in 1880–85
Words Nearby balance staff
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
How to use balance staff in a sentence
The ends of the balance staff are made very small so as to form very delicate pivots which turn in jewel bearings.
The Wonder Book of Knowledge | VariousThe small circle at A represents the center of the pallet staff, and the one at B the center of the balance staff.
Watch and Clock Escapements | AnonymousIt will be seen the impulse roller is staked flat against the hub E of the balance staff.
Watch and Clock Escapements | AnonymousOur advice is to set both stones in places corresponding to the axis of the balance staff, and the escape-wheel mobiles.
Watch and Clock Escapements | AnonymousIn these frictional escapements the balance staff locked the train while the balance performed its arc of vibration.
Watch and Clock Escapements | Anonymous
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