Sentence Examples


  • It is still the commonest detonator, but it is now usually mixed with other substances; the British service uses for percussion caps 6 parts of fulminate, 6 of potassium chlorate and 4 of antimony sulphide, and for time fuses 4 parts of fulminate, 6 of potassium chlorate and 4 of antimony sulphide, the mixture being damped with a shellac varnish; for use in blasting, a home office order of 1897 prescribes a mixture of 4 parts of fulminate and 1 of potassium chlorate.
  • Rappel), an ancient Egyptian instrument of percussion of indefinite musical pitch, a kind of metal rattle.
  • It possesses four large paper mills and among its other industries are paste-board, powder, percussion caps, nets and machinery.
  • Formerly the upper end of the highest canister was fitted with a " firing-head," consisting of a circular plate of iron, slightly smaller than the bore of the well, and having attached to its underside a vertical rod or pin carrying a percussion cap. The cap rested on the bottom of a small iron cylinder containing nitroglycerin.
  • The disk is dispensed with, and the percussion cap is exploded by the impact of a leaden weight running on a cord.

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