Discover the strange inventions of the last century

The plan to build a sea tank was submitted to the National Defense Council in 1917, with the aim of supporting maritime defense operations. Basically, the Sea Tank has a two water wheel design and two turrets, one turret at the center of the wheel shaft. However, a warship appears to be much safer and less complicated.

The movable table is a folding table, designed with the purpose of space saving. The two side folding wings can be expanded or narrowed depending on different usage needs in the family. Easy to see, this is a very popular smart furniture today.

Jungfrau railway line was built for 16 years and completed in 1912, to attract tourists to the part of the Alps mountains within Switzerland. As planned, visitors can reach the top of the famous Jungfrau mountain by a special elevator.

5-in-1 playgrounds are smart, but not safe for children. The slide will initially become a monkey bridge after removing the board. Placing the plank on a lower leveling support creates a seesaw.

This vehicle is not a submarine, nor is it a private motor boat. However, it can keep the operator in a slightly submerged and floating state. Depth can be controlled by 4 planes on either side and rider controlled by foot pedal.

A custom stock and shock absorber designed for female athletes. The gun stock can be extended or shortened according to the needs of the user thanks to the set screw design.

This manual 4-wheel scooter is a very popular way to travel in Paris in the early years of the century. This vehicle works similarly to a boat, but uses thrust from the steering wheel instead of the paddle.

Electric kitchen cabinet is an invention invented with the purpose of helping housewives do housework in special ways. By integrating the hardware connected to the engine, this cabinet has the function of kneading bread dough, cutting food, making ice cream. It is also an automatic dishwasher and clock alarm. It is easy to see that this invention has been tasked with each individual device today.