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Wrexham FC at Colwyn Bay Jan 1963

108d64c
Sport     Wrexham FC    
Football    
60s    
1963    
Colwyn Bay    

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  • joeychen 05.12.2016 @ 06:18:28AM

    Alongside this major invention, Greubel Forsey also introduced two variations of ray ban outlet its GMT: one with a 5N pink gold movement, and the other in a black version.The Zeitwerk Minute Repeater is the first A. Lange & S?hne model with a striking mechanism that sounds the hours, ten-minute intervals, and minutes. The acoustic sequence precisely reproduces the digitally displayed time whenever the striking mechanism is triggered with a pusher, in place of the conventional slide. The dial time is sounded with a low-pitched tone for each elapsed hour, a double tone for each elapsed ten-minute period, and a high-pitched tone for each elapsed minute: seven low tones, five double tones, and two high tones are struck at 7:52.The time being displayed with an hour ring and two minute discs instead of replique montre with hands, three snails connected with these mechanical display elements separately sample the number of hours, ten-minute intervals, and minutes to be acoustically indicated.To rule out unintended, potentially damaging manipulations, the designers incorporated a very useful safety feature. Since mechanical conflicts would occur if the owner were to set the time during a chiming sequence, the crown cannot be pulled while the striking mechanism is active: when activated, the winding train is uncoupled from the ratchet wheel that powers it. Additionally, the switching of the numeral discs is delayed until the chiming sequence has ended. This takes about 20 seconds for the maximum succession of tones at 12:59. The acoustic time indication therefore always corresponds to the time displayed on the dial.To assure that the repeater sequence is not prematurely interrupted due to the depletion of football shirts uk the mainspring's power, the striking mechanism can no longer be activated if the remaining power reserve is less than twelve hours. On the power-reserve indicator, this point is identified with a red mark.



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