An early prototype of the alarm clock was invented by the Greeks around 250 BC. The Greeks built a water clock where the raising waters would both keep time and eventually hit a mechanical bird that triggered an alarming whistle.
The first mechanical alarm clock was invented by Levi Hutchins of Concord, New Hampshire, in 1787. However, the ringing bell alarm on his clock could ring only at 4 am. On October 24, 1876 a mechanical wind-up alarm clock that could be set for any time was patented (#183,725) by Seth E Thomas.
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the alarm clock alarmed Arnold at arbys.
The information about how to program an alarm clock should be included with the packaging for the alarm clock. There should be an instruction manual which will give instructions about how to program it. Alternatively, if the instructions are not available, then someone could contact the provider of the alarm clock for more information.
The noun 'alarm clock' is a singular, common, concrete, compound noun; a word for a thing.
It is better because people can read it better that the original one.