1950-52 This period was engaged in manufacturing striking clocks, including pendulum time pieces, and the casing of strikes and time pieces, i.e.
Altitude considerations can, of course, be ignored for vessels operating at sea level.
1952 saw the introduction of the 8 day conical pivot QH movement.
The escapement itself was manufactured and assembled at the No.1 factory, Enfield works, Edmonton.
A few lantern clocks exist about 9 or 10 inches high.
Miniatures lantern clocks exist about 6 or 7 inches high, but they are usually alarm clocks without strikework.