Snelling, Walter

Snelling, Walter O. Apparatus for Separating Gtises. US Patent 1,174,631,7 Mtirch 1916. 

The sand test was devised in 1910 by Walter 0. Snelling, explosives chemist of the U. S. Bureau of Mines, who worked out the technique of its operation and designed the standard Bureau of Mines sand test bomb No. 1 which was used in his own investigations and in those of Storm and Cope.30 Munroe and Taylor31... 

Figure 99. Walter 0. Snelling. (Metzger Son.) Devised the sand test. Has worked extensively with nitrostarch explosives and has patented many improvements in military and in mining explosives. Chemist at the U. S. Bureau of Mines, 1908-1916 Director of Research, Trojan Powder Company, 1917—.

Snsjjjng, Walter O. (1880—1965). Amer chemist specializing in expls, but also known for his many contributions to the iiq petroleum gas industry. Dr. Snelling was at the US BurMines from 1908—1916, where he devised the first Sand Test (Refs 1 3) (See Vol 1, XXI-XXII). He then became the Director of Research at the Trojan Powder Co in 1917 where he worked extensively with Nitrostarch expls. Dr. Snelling was issued over 200 US patents contg many improvements in military and ndnin expls (Refs 4 5)... 

The author is greatly indebted to Dr. Walter Snelling, retired dean of high-explosive experts in the U. S. A., for his friendly advice and his helpful criticism of the manuscript also to Drs. M. L. Wolfrom and R. S. Tipson. 

Walter Snelling s last U. S. patent on starch nitrate was issued in 1945 and covered an explosive composition of ammonium nitrate partially sensitized by starch nitrate. His first patent was issued in 1918 and covered an explosive, fertilizer cartridge for treating soils. He patented starch nitrate as a water-insoluble fertilizer in 1922 and 1924. 

Based on data supplied by Walter L. Hardy of Foster D. Snell, Inc. see also Hardy, Irtd. Eng. Chem., 47, 79A (1955). 

Whitford H, Walters EH, Levvey B, Kotsimbos T, Orsida B, Ward C, Pais M, Reid S, Williams T, Snell G (2002) Addition of inhaled corticosteroids to systemic immunosuppression after lung transplantation a double-blind, placebo-controlled trial. Transplantation 73 1793-1799... 

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