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70.5 MB (854.5 KB compressed)
4300 x 5733 pixels
36.3 x 48.5 cm ⏐ 14.3 x 19.1 in (300dpi)
TEK IMAGE / SCIENCE PHOTO LIBRARY TEK IMAGE / SCIENCE PHOTO LIBRARY
Room thermostat. Person setting the temperature dial on a room thermostat. This device senses the temperature in a room and switches the heating system on and off as necessary.
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