13. Helmets designed to boost concentration levels on eyesight of deaf people. (1925)
14. Fully covered face mask to prevent swimmers from getting tanned. (1920s)
15. Hitler practicing his speech in front of a mirror. (1925)
16. Bookmobile program for patients by the Public Library of LA. (1928)
17. Penguins shower under a watering can. (1930)
18. Single wheeled motorcycle of 1931 with top speed of 93 mph. (1931)
19. Card found in Army Club Cigarettes. (1932)
20. Safety of London Double-Decker buses against tipping. (1933)
21. Cages for babies living in apartments who needed sunlight. (1930s)
22. Pea-picker and mother of seven children while the Dust Bowl. (1936)
23. Glasses developed for bed-time reading.
24. Previous generation navigational aid! (1930s)
25. Garage Elevator in Chicago. (1936)
