Engineering Drawings, 1941-1946

File — Box: 3

Staff Only

Scope and Contents

This box contains engineering drawings and specifications of the continuous coal mining machine invented and designed by Harold F. Silver and produced by Silver Engineering Works Incorporated.

Dates

Creation: 1941-1946

Creator

From the Collection: Silver, H. F. (Person)

Language of Materials

From the Collection:

Collection materials are in English.

Conditions Governing Access

Twenty-four hour advanced notice encouraged. Materials must be used on-site. Access to parts of this collection may be restricted under provisions of state or federal law.