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156: TWO EARLY 20TH C SPRING-DRIVEN BURGLAR ALARMS

Two interesting patented burglar alarms, the Ideal Alarm slide under bell with original box and instructions, signed on the slide. Plus a cast iron key-wound slide-under-door alarm, patent dated 1874.
Idea burglar alarm measures 3 x 4.5 x 2 inches.
Very good condition. Box shows significant shelf wear and tatters.
$75 - $150

Circa 1900 Household Technology and Scientific Instruments Auction

Saturday, November 17th 2018


SOLD - $110

Sold Price does not include Buyer's Premium