Experiments in Underground Communication Through Earth Strata
Author : Lee Clyde Ilsley
Publisher :
Page : 1314 pages
File Size : 35,68 MB
Release : 1928
Category : Coal mines and mining
ISBN :
Experiments in Underground Communication Through Earth Strata, by L. C. Ilsley, H. B. Freeman and D. H. Zellers...
Author : Donald Henry Zellers
Publisher :
Page : 60 pages
File Size : 34,20 MB
Release : 1928
Category :
ISBN :
Book Description
Technical Paper
Author : United States. Bureau of Mines
Publisher :
Page : 1134 pages
File Size : 17,70 MB
Release : 1936
Category : Mines and mineral resources
ISBN :
Book Description
Experimention Underground Communication Through Earth Strata
Author : Donald Henry Zellers
Publisher :
Page : pages
File Size : 26,80 MB
Release : 1928
Category :
ISBN :
Book Description
Experimental Wireless & the Wireless Engineer
Author :
Publisher :
Page : 740 pages
File Size : 20,80 MB
Release : 1928
Category : Electronics
ISBN :
Book Description
Report of Investigations. [no.2002 to No.7380]
Author :
Publisher :
Page : 624 pages
File Size : 40,51 MB
Release : 1948
Category : Mineral industries
ISBN :
Book Description
Report of Investigations
Author :
Publisher :
Page : 862 pages
File Size : 36,77 MB
Release : 1947
Category : Mineral industries
ISBN :
Book Description
Technical Paper
Author :
Publisher :
Page : 1140 pages
File Size : 33,12 MB
Release : 1928
Category : Mineral industries
ISBN :
Book Description
Science Abstracts
Author :
Publisher :
Page : 802 pages
File Size : 36,13 MB
Release : 1928
Category : Electric engineering
ISBN :
Book Description
Factors Retarding Transmission of Radio Signals Underground, and Some Further Experiments and Conclusions
Author : Jay John Jakosky
Publisher :
Page : 24 pages
File Size : 19,13 MB
Release : 1924
Category : Geophone
ISBN :
