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- Twine phones
- Using Bells phone
- Breech loading Gingal (Chamber out)
- Edison with his Phonograph
- Frick portable steam engine of 1877
- Roller Washing Machine
- The Mather Kier, cross section
- Horizontal Drying Machine
- High Pressure Blow-through Kier
- Cross-staff
- Improved high speed engine and dynamo - fig 2
- Improved high speed engine and dynamo
- Microscope
- Pedrail
- Pedrail cimbing stairs
- Cash Register 2
- Cash Register
- Fire Engine
- Type of Magneto Telephone
- Polarized Ringer
- Patent Drawing of the Hopkins Watch
- Remaining Drawings from U. S. Patent
- Breguet’S Tourbillon
- Drawing from U. S. Patent
- Part of the Drawings from U. S. Patent 186838