The first burglar alarms to thwart kidnappers
story #20
Get Science, They Wrote’s stories in your inbox
Join Medium for free to get updates from this writer.
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.









