Up to the 1920s it still produced regulators with compensated pendulums and precision movements.
2.
Today's building still contains the original transit, regulator with mercury-compensated pendulum, and rule.
3.
The clock is governed by a temperature-compensated pendulum 2 metres in length driven by a three-legged gravity escapement.
4.
In 1997 a new temperature-compensating pendulum designed by engineering students was installed to eliminate errors in time-keeping caused by temperature changes.
मोबाइल