Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Notes on operations of Trap Rock Co, of Dresser, Wis; 123,750 lb of dynamite loaded in 49 charges in wings of 5 tunnels and fired electrically to bring down 500,000 tons of trap rock, well broken and ready for crushers; details of blast.
Notes on operations of Trap Rock Co, of Dresser, Wis; 123,750 lb of dynamite loaded in 49 charges in wings of 5 tunnels and fired electrically to bring down 500,000 tons of trap rock, well broken and ready for crushers; details of blast.
Blasting five tunnels at one time
Explosives Engr
Beinhorn, W.P. (Autor:in)
Explosives Engineer ; 21
1943
2 pages
Aufsatz (Zeitschrift)
Englisch
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