Physical description
Handwritten description of the Gates' Ore Breaker - Ref. Sec'y Mines Report 1891 page 43, Engineering, 19th June, 1891. Notes give a detailed description of the Gates' Ore Breaker made by the Gates Iron Company of Chicago.
Handwritten description of the Gates' Ore Breaker - Ref. Sec'y Mines Report 1891 page 43, Engineering, 19th June, 1891. Notes give a detailed description of the Gates' Ore Breaker made by the Gates Iron Company of Chicago.