Assertion: blasting cap | /r/HasAspect | shell
Facets:
Source sentences:
text: A blasting cap having a shell, an explosive initiating charge therein, and a base charge of secondary explosive in contact with the initiating charge, the said base charge being composed of a series of preformed tablets of explosive wherein each tablet has a substantially uniform high density, the top and bottom tablets are perforated so as to have the form of annular rings, and at least one solid tablet is disposed between the said perforated tablets, the initiating charge being disposed within the top perforation of the said base charge.
text: A blasting cap having a shell, an explosive initiating charge therein, and a base charge of secondary explosive in contact with the initiating charge, the said base charge being composed of a series of preformed tablets of explosive wherein each tablet has a substantially uniform high density, the top and bottom tablets are perforated so as to have the form of annular rings, and at least one solid tablet is disposed between the said perforated tablets, the initiating charge beirig disposed within the top perforation of the said base charge and the top tablet surrounding sati initiating charge being of substantially lower density than the remainder of the base charge.