Ответы на вопрос:
Вродебы правильно перевёл alarm clock — the hours giving to the set timepoint sound or (and) a light signal. the russian name "alarm clock" indicates a basic purpose of such hours — reveille of the owner in the morning. also the alarm clock can be applied as "napominatel" or the timer.history.in ancient china as alarm clocks the graduated sticks from mix of pitch and sawdust to which a thread the small weight became attached were applied. the stick was set fire and when it burned down to a thread, freight fell on a metal support.in ancient greece similar devices were used to a water-clock.during industrial revolution with alarm clocks living people worked — the profession was called as knocker-up.the mechanical alarm clock was constructed by american levi hutchence in 1787. the device called only at 4: 00. an alarm clock which can be adjusted for any necessary time, frenchman antoine radie patented in 1847. in the usa during world war ii notable shortage of alarm clocks collected, workers often were late. therefore management of the usa on price control in 1944 as an exception allowed the hour companies to return to civil production. the devices allowing to wake reliably the person continue to be developed.types of hours.sundial • nokturlabium • water-clock • fiery hours • hourglasses • mechanical clock • quartz watch • electric clock • electronic clock • atomic clock • flower clockknown hours. chiming clock of the moscow kremlin • big ben • prague chiming clock • zimmer's tower • tsitglogge
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