Signaling from cages at rest or in motion.

Bibliographic Details

Other Authors:	Manning, R. I. C., Parker, Dennis J.
Format:	Government Document eBook
Language:	English
Published:	Washington, D.C. : [publisher not identified], 1929.
Series:	Mines Bur. Info. Circ. No. 6161
Subjects:	Signals and signaling. Electronic books.
Online Access:	Connect to the full text of this electronic document