Biblioteca SEGEMAR

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Becker, Karl R.

Effect of direct-current firing levels on detonator delay times / by Karl R. Becker and J. Edmund Hay. - [Washington, D.C.] : U.S. Dept. of the Interior, Bureau of Mines, 1982. - 13 p. ; 27 cm. - Report of investigations / United States Department of the Interior, Bureau of Mines ; 8613 . - Report of investigations (United States. Bureau of Mines) ; 8613. .

Includes bibliographical references.

LCCN: 81607872

Subjects--Topical Terms:
Blasting.
Electric detonators--Testing.

LC Class. No.: TN23 TN279 / .U43 no. 8613

Dewey Class. No.: 622 s 622/.4

Gov. Doc. Class. No.: I 28.23:8613.