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Old 31st May 2021, 9:12 pm   #13
PJL
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Join Date: Sep 2005
Location: Seaford, East Sussex, UK.
Posts: 5,997
Default Re: Gents Flame Proof Clock

Some may be wondering why anyone would want to read the time in a burning building but I guess the flame proof clock was used in environments where there is a risk of explosions and is better known today as 'intrinsically safe'.
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