Subject: Gunpowder Processing Lecture by Dr R C Farmer c1920
Description: TNT sulphuriting
Notes: TNT Queensferry. Same as Tech Records TNt p 86. Preliminary wash to get rid of the bulk of the acid before sulphiting TNT (pellite) is melted in vats and poured into about its own vol of water. 4 washes, Steam coils. Agitator. This plant is in the Nitration House.
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