. Bulletin . A. RESULTS OF NAIL TESTS OF P. T. S. S. ELECTRIC DETONATORS NOS. 3, 4, 5, 6, 7, AND B. RESULTS OF NAIL TESTS OF NO. 6 ELECTRIC DETONATORS, a, WESTERN COAST;b, SPECIAL; c, P. T. S. S.| d, FOREIGN. FUSE, DETONATORS, AND ELECTRIC DETONATORS. 43 the result that the No. 7 electric detonator caused complete detona-tion in every trial, whereas the No. 3 detonator failed to do so onceout of three trials. The explosive named was purposely chosen, be-cause it was relatively insensitive to detonation. The results of thetests follow. Results of rate-of-detonation tests in which No. 7 elec
. Bulletin . A. RESULTS OF NAIL TESTS OF P. T. S. S. ELECTRIC DETONATORS NOS. 3, 4, 5, 6, 7, AND B. RESULTS OF NAIL TESTS OF NO. 6 ELECTRIC DETONATORS, a, WESTERN COAST;b, SPECIAL; c, P. T. S. S.| d, FOREIGN. FUSE, DETONATORS, AND ELECTRIC DETONATORS. 43 the result that the No. 7 electric detonator caused complete detona-tion in every trial, whereas the No. 3 detonator failed to do so onceout of three trials. The explosive named was purposely chosen, be-cause it was relatively insensitive to detonation. The results of thetests follow. Results of rate-of-detonation tests in which No. 7 electric detonators weredistributed in the charge. Test No. Result. Dimensions of galvanized-iron tube used. Diameter. Length. D1134 Detonation incomplete do Inches. ni| H do a No electric detonators distributed in the ; Three No. 7 electric detonators placed every half meter in the ThreeNo. 7 electric detonators placed every quarter meter in the charge. Further tests were made with an insensitive gelatin dynamite, byplacing seven No. 7 elec
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