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- Patent model picture 1.
- Patent model picture 2.
- Patent model picture 3.
- Patent model picture 4.
- Patent model picture 5.
- Patent model picture 6.
- Patent model picture 7.
- Patent model picture 8.
- Patent model picture 9.
- Patent model picture 10.
- Patent model picture 11.
- The Saga of the Woodward patent model in pictures, circa January 12, 2018.
- Patent 103,813, circa 1870.
- Patent model picture 1.
- Patent model picture 2.