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The first burglar alarms to thwart kidnappers

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story #20

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Here’s a story from 1934 when the nation was terrified of child kidnappers. An “electrical curtain” could be raised around the nursery so that all intruders could be announced. The illustration for this story is typical of the time, e.g. before photography was widely used in newspapers.

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Science, They Wrote
Science, They Wrote

Written by Science, They Wrote

Gems from three generations of 20th century science writers