Judson powder

Similar expls were used, however, later for commercial purposes, viz, Rhexite in Austria, and Atlas Powder B, Judson Powder and Vigorite in the USA, Many Gelatine Dynamites also contain Na nitrate as their primary ingredient See under Dynamite and Substitutes in Vol 5, D1584-L to D1616-R Ref Daniel (1902), 823-24... 

Judson Powder (America)—5 per cent uitro-gly-cerine, 64 per cent sodium nitrate, 16 per cent sulphur, 15 per cent cannel coal. 

Judson Dynamite or Powders. American expls patented by E. Judson in 1876 and manufd in Drakesville, NJ. These expls were, in fact, a combination of Black Powder NG and were much more powerful than straight BlkPdr, although some of them contained only a small-amt of NG. For example, one compn contained NG 5, NaN03 64, sulfur 16 bituminous coal (cannel coal) 15%. Judson s expls were also called RRP (meaning Railroad Powders)... 

Judson s patent may have been pre-dated by Nobel s patent (Ref 1) for a mixt of NG Black Powder... 

Accdg to Blasters Hdbk(Ref 63, p4), Theodore Winkler an associate of A. Nobel, made in 1868 near San Francisco 3 pounds of Dynamite by mixing 1 part of Kieselguhr with 3 parts of NG. He used the facilities of Judson Sheppard Chemical Works of San Francisco and then demonstrated the strong action of this new expl by blasting boulders along the line of Bay Shore Railroad. Directly thereafter an American firm started to manuf in San Francisco NG and Dynamite with an inactive base, under the name of Nobel s Safety Powder or Giant powder No 1... 

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