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CatalyseR Surat - #Factopedia: The first Alarm Clock was created by Levi Hutchins, of New Hampshire, in 1787. This device he made only for himself, however, and it only rang at 4
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Claessens' Kids Kid'Sleep My First Alarm Clock and Sleep Trainer, Blue : Amazon.co.uk: Home & Kitchen
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First Alert BRK SC-9120B Hardwired Smoke and Carbon Monoxide Alarm with Battery Backup : Amazon.co.uk: DIY & Tools
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