"Butterfly" stopehamers
Subtitle: type "BCW"
By: Ingersoll-Rand Company
Publisher: Ingersoll-Rand Company
Published: 1919
Place of publication: New York
Language: eng
Number of pages: 16
Subjects: Catalogs; Pneumatic drills; Ingersoll-Rand Company
Other titles: Butterfly stopehammers
Notes: Caption title

"Form 4311-1"

Includes specifications