Use of geophone in locating compressed-air leaks

Author:	Pickard, Byron O.,
Year:	1922
Document Type:	BMRA
Issuing Agency:	U.S. Dept. of the Interior, Bureau of Mines,
SUDOC:	I 28.23:2380
Series:	Report of investigations / United States. Bureau of Mines ;
Report Number:	2380
Subjects:	Compressed air
	Mines and mineral resources--Equipment and supplies--Maintenance and repair
	Geophone
	Mines and mineral resources--Equipment and supplies
	Mine ventilation
	Compressed air--Safety measures
Link:	https://hdl.handle.net/2027/mdp.39015086546663