Does anyone know why the 3 ball bearing clocks have banking pins, Shenton states with the 2 ball to stop the balls jamming in the plate?
My interpretation is to limit the radial travel but with 3 balls I am at a loss to understand why?
Also the pins create friction on the balls.
I am trying to find the sales materials or listings of the pieces the Bryson family made and sold when in business.
In relation to an unusual large Aneroid Barometer which I am unable to locate any reference to.
There must be something in the archives about the pieces they made but finding it is...