Sc_box MS 1
Contains 2 Results:
W. J. Richards Notebook
Notebook, 1906-1918, of W. J. Richards, a master mechanic at the Champion Copper Co. of Painesdale, Michigan. Photocopy of 6 ring binder with published materials including different tables of weights, strengths and calculations. Near end of notebook are tables of calculations for the Champion, Trimountain and Baltic mines.
Notebooks, 1906-1918
Notebook, 1906-1918, of W. J. Richards, a master mechanic at the Champion Copper Co. of Painesdale, Michigan. Photocopy of 6 ring binder with published materials including different tables of weights, strengths and calculations. Near end of notebook are tables of calculations for the Champion, Trimountain and Baltic mines.