Not every human invention will become popular. These are 6 old inventions that you probably never heard of before but actually invented.

2. All-terrain car
Designed in 1936. Who need road when you can get one of this!

3. The Amphibious bicycle
Some peoples said bicycle is not really great as a mean of transportation.
Then, how about an amphibious bike! This bicycle can carry up to 120
pound of load and mean to be use as water-and-land transportation.

4. Car with shovel for pedestrians
Peoples are concern about the amount of pedestrians being accidentally
hit by a car. This is how to reduce the numbers of casualties.

5. Fold-able bridge
Peoples no longer have to wait for the bridge to be constructed! You
need to go to the other side of the river? Deploy the folding bridge!

6. Radio hat
They don’t have mp3 players back then. So how can they listen to their
favorite songs while they’re on the move? By wearing one of this radio
hat of course! This hat is made in 1931 by an American inventor.

7. Revolver camera
This is not your ordinary gun. When someone pull the trigger, this
revolver will automatically take a picture.

8. http://prototypealpha.blogspot.com/
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