underground haulage of coal by wire ropes
Subtitle: including the system of wire rope tramways as a means of transportation for mining products : A practical essay written for John A. Roebling's Sons Co.
By: by Wilhelm Hildenbrand.
Contributors: John A. Roebling's Sons Company.
Publisher: Printed by the W.S. Sharp Printing Co.
Published: 1884
Place of publication: Trenton, N.J
Subjects: Mine haulage; Mine railroads; Wire rope