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1. Patent swings

2. Hand Electrogonometer Patent

3. Windlass Patent Bedstead

4. Electric lamp patent

5. Book supporter patent

6. Lamp fixture patent

7. Patent helix needles

8. Townsend's Patent folding globe

9. Irene Till, patent expert

10. Mugnier, fish passage patent

11. Hanley's Patent Bean Fasteners

12. Photo of a patent

13. Cooley's patent Globe corset

14. The Marsh Patent watch : a complete watch in solid gold case possessing special features of unusual merit

15. Patent #5144. Improved turbines

16. Patent. Diffusers for waterwheels

17. Patent. Shafts of waterwheels

18. Valentine last patent waterwheel

19. Thomson's patent for Elijah Trescott

20. Patent infromation for Roggenburk designs