The water Leyner rock drill, formerly called the "new" Leyner
Subtitle: for operation by compressed air only : for use in mining, tunneling, quarrying, etc
Contributors: Leyner, J. George
Publisher: J. Geo. Leyner
Published: 1901
Place of publication: Denver, Colo
Language: eng
Number of pages: 39
Subjects: Catalogs; Mining machinery industry; Rock-drills; Air-compressors; Mining machinery; Excavating machinery; J. Geo. Leyner
Notes: "Model 5."

Date from text.

Printer's statement on p. [40]: Carson-Harper Printing, Denver.