Petard

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The following article is from The Great Soviet Encyclopedia (1979). It might be outdated or ideologically biased.

Petard

 

a charge of compacted black powder placed in a metal or cardboard casing. A petard is used in primer cups to transmit fire from the friction primer to the powder charge located in the artillery shell case. In time fuses, the petard transmits fire from the delay element to the detonator. A petard may also be used for creating sound effects in fireworks.

The Great Soviet Encyclopedia, 3rd Edition (1970-1979). © 2010 The Gale Group, Inc. All rights reserved.
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