Bose. ///////a#39;F__. charge. Flgure 18.aDelay detonator. a burning powder is placed immediately before the priming charge in the ... There are three basic delay series; slow or tunnel delays, fast or millisecond delays, and coal mine delays for use in ... In detonating cord delay connectors, the delay may be as short as 5 ms.
|Title||:||Explosives and Blasting Procedures Manual|
|Author||:||Richard A. Dick, Larry R. Fletcher, Dennis V. D'Andrea|