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Dawn simulation is a technique that involves timing a light, often called a wake-up light, sunrise alarm clock, or natural light alarm clock, in the bedroom to come on gradually, over a period of 30 minutes to 2 hours, before awakening to simulate dawn.
This is an accepted version of this page This is the latest accepted revision, reviewed on 27 December 2024. Type of clock A traditional wind-up (key-wound), mechanical spring-powered alarm clock An alarm clock or alarm is a clock that is designed to alert an individual or group of people at a specified time. The primary function of these clocks is to awaken people from their night's sleep or ...
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an alarm clock that sounds an alarm at a pre-set time, often used to wake a person up or remind them of an event. a fire alarm which is used to give occupants of a building early warning of a potential fire and give them time to evacuate. warning devices on a vehicle that sound when it is moving in an unexpected direction, such as reversing,
This movement has a "bell-back" design, meaning that the bell mechanism is integral to the clock's case. The company first brought the Big Ben to market in 1909. The company's name was shortened to "Western Clock Company" in 1912. In 1910, the Big Ben became the first alarm clock advertised nationally, with ads placed in the Saturday Evening Post.
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One quarter was all Ohio State really needed to prove it was better than Oregon. The Buckeyes were already up 7-0 after the first minute and the Ducks had back-to-back three-and-outs to start.
Manual timers are typically set by turning a dial to the time interval desired, turning the dial stores energy in a mainspring to run the mechanism. They function similarly to a mechanical alarm clock, the energy in the mainspring causes a balance wheel to rotate back and forth. Each swing of the wheel releases the gear train to move forward by ...