Bismuth – Bite
Bismuth
Tin. Zinc. Lead. Copper. Antimony. Iron. Platinum. Nickel. Black
Bell Metal
An alloy of copper and tin, in proportions varying from 66 to 80 per cent. of copper and the balance of tin.
Brittania
This alloy as prepared by Koller consists of 85.72 parts of tin, 10.34 of antimony, 0.78 of copper and 2.91 of zinc.
Balance Arc
That part of the vibration of a balance in which it is connected with the train, used only in reference to detached escapements.
Balance Spring
See Hair Spring.
Barometric Error
The error in a clock's rate due to changes in the density of the atmosphere through which the clock's pendulum has to move.
Bell Metal
See Alloys.
Bevel Gears
Gears in which the two wheels working together stand at an angle to each other.
Bezel
The grooved metal ring of a watch or clock that holds the crystal or glass in position.
Bezel Chuck
See Chuck.
Binding Wire
Fine malleable iron wire used for binding articles while soldering, etc.
Bite
To adhere to; to hold fast; as a set screw bites a shaft. The eating of metal by means of acid.