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摘要

  • Description: A smoke detector manufactured by BRK Electronics model 1839ACI, produced in the early 1980s.
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現時2005年12月16號 (五) 02:26響2005年12月16號 (五) 02:26嘅縮圖版本200 × 180(6 KB)Saperaud~commonswiki*'''Description:''' A smoke detector is a fire safety device that detects airborne products of combustion, such as smoke, and issues an audible alarm. Depicted: BRK Electronics model 1839ACI, produced in the early 1980s. *'''Sourc

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