![]() ![]() This means that the minute and hour hands only move every 30 seconds. The current that flows, energises an electromagnet that resets the lever, breaking the circuit again, sending a pulse to the upper dial through a series circuit. ![]() The lever carries a roller which impulses an arm attached to the pendulum restoring the energy lost in the previous half minute. Inside the case is a pendulum with a period of two seconds and a countwheel which advances one tooth with each swing of the pendulum.Įvery 30 seconds the countwheel trips a detent and an L-shaped lever falls. It has two dials, the lower dial has the seconds hand and the upper dial has the hours and minutes hands. They also built the clocks in the towers of South Brisbane Town Hall (1904) and Brisbane City Hall (1930), among many others. The Synchronome Electrical Company of Australasia built clocks in Brisbane under licence from Frank Hope-Jones Synchronome Company in England. Where made: Australia Where used: UQ Teaching Labs circa 1955 Dimensions: 15 27 126 cm Tour Audio. See each listing for international shipping options and costs. ![]()
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