The Clapper was an early home automation innovation almost a half-century ago. Just plug it into any standard wall outlet and clap twice to turn a lamp on or off. Clap three times to turn off the TV.
Reid Creager, Author at Inventors Digest - Page 3 of 28
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Maple Syrup History - Page 4 of 14 - Exploring the past world of maple syrup and maple sugar
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