Photos: First Half Of 20th Century Cool Inventions

24 04 2014
A tripmaster, which had an automatic rolling map on the dashboard with identifying marks, like bridges, crossings and levels, circa 1930s. (Mary Evans Picture Library/CATERS NEWS)

A tripmaster, which had an automatic rolling map on the dashboard with identifying marks, like bridges, crossings and levels, circa 1930s. (Mary Evans Picture Library/CATERS NEWS)

There are lots of cool inventions in the first half of the 20th century.

Electrically heated vest, portable radio hat and lots of other cool things.

There’s even an early version of a car GPS unit.

Just that it doesn’t use satellite.

Now why not we take a look at some of the inventions…

(Please click the photo for a larger image)

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