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be manufactured. The original fulminate detonators were numbered according to the amount of fulminate which they contained,

Wires

■Sulfur plug

Wires

Initiating explosive

High explosive

Initiating explosive

High explosive w w

Initiating explosive

High explosive

-Tar plug (waterproof) Wire bridge

- ^ Match head / sealed in fiber tubs

Initiating explosive

High explosive

Figure 95. Blasting Caps. Detonator crimped to miner'« fuse. Compound detonator. Compound electric detonator.

the same numbers being used throughout the world. The charges of fulminate for the various sizes are shown in the following table,

Detonator

Weight of Mercury Fulminate

External Dimensions of Capsule

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