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Pocket sized and can be clipped onto any pulse strip to give single pulses, or multiple pulses at the rate of one a second, at the touch of a button. The device, known as Advancer, Clock, No. This device, shortly to be introduced, is for use on systems where Units, Clock Pulse are employed. If this is fitted, the Unit can then drive a further circuit of 9 or 19 clocks. Each unit contains one Strip, Clock Pulse No. These transistorised Pulse Units have a constant current output capable of driving individual clock circuits of up to 9 or 19 clocks, depending on the voltage of the system. 1 supersede the now obsolescent Clock Units GMT 35. PE/T1/2 (This drawing should be requisitioned from PHQ-PMD/PP4/l).
#Pulsely status clock full#
Full details are given in B 1325.įuture systems will use a crystal chronometer, which has a very high order of accuracyĭetails of the wiring are given in B3302 and Drawing No. These clocks are capable of an accuracy of 8 seconds a week. The swing of the pendulum is maintained by anĮlectro-magnet powered from the batteries.
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This is a pendulum clock with a beat of 1 second. The master clock in use at present is the Clock No.ģ6. The parts of the system and the relevant Instructions are stated below. All the slave clocks are synchronised, and can be advanced from the master clock for correction, should a system fault occur. The system offers a high degree of accuracy and reliability. The only limitations on the size are the battery capacity and the voltage drop in the wiring. The size of the system is almost unlimited, and it can be extended after installation. Standby batteries, the system will continue to function for some hours after a failure of the mains electricity supply. A Class A system is a pulsed clock system involving the use of a master clock and slave clocks.