The "Lancaster" rock breakers and ore granulators
Publisher: James H. Lancaster
Published: 1893
Place of publication: New York
Language: eng
Number of pages: 15
Subjects: Mining machinery industry; Catalogs; Mining machinery; Hoisting machinery
Notes: "The 'Lancaster' self-penetrating grapples and hoisters."

At head of title: World's Columbian Exposition, Chicago, 1893."