Tension Fusehead for Electric Detonator

Fordham (Ref 51, pp 116-19), calls the fusehead of Fig 8 the Sandwich type fusehead and states that it was invented by Krannich-feld in Germany. Judging by the description of its method of manuf, it is similar to German fuseheads described in Ref 35, pp Ger 53 Ger 54 

Neegraho plug Fusehead Delay Priming Bate eloaeni charge charge 

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