13 mind-boggling inventions of the past that never crossed your mind

1. This refreshing ice cube mask, designed in 1947

2. This bizarre dog catcher

3. This two-cigarette holder, created in 1932

4. This curious makeup protector, developed in 1939

5. This flashy unicycle

6. This device, patented in 1923, which supposedly dimpled the face

7. This family-friendly bike with an attached sewing machine

8. This stroller, created in 1938, able to protect a child from a radioactive attack.

9. This piano for bedridden people, launched in 1935

10. This vertical car park from the early 1920s

11. This unusual portable sauna

12. This horse gas mask developed during World War II

13. This baby cage for fresh air outside the apartment