Copy of the drawing of the Wedge Eccentric Motion designed by Isaac Dodds in 1837; letter from Thomas Kirtley, dated 4 April 1844, relating to trial of the gear on one of the Company's engines
- Made:
- 1844
- maker:
- Isaac Dodds
Copy of the drawing of the Wedge Eccentric Motion designed by Isaac Dodds in 1837; letter from Thomas Kirtley, dated 4 April 1844, relating to trial of the gear on one of the Company's engines