A Clarkson Mosaic - page 378

storage tank within the unit. Tools for salvage and rescue efforts, and radio equipment also
were stored within the unit.
A second entry, one for homeowners, combined an early warning and detection system
with a telephone system to dial the fire department automatically with a pre-recorded message
for help. Powered by an automobile battery, this unit flashed lights and sounded horns outside
the building when it detected fire within the structure. It would be kept fully charged by the
home's electrical system and would check itself daily.
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