ing or affecting the Paraffine for Waterproofing:. ditional patent was granted Dr. Stenhouse for an ex- The materials which in modern times were first leal on the steam or exhaust in any way. tension of and improvement on the previous one, employed for water-proofing were beeswax and the In detail… … fected by subsequently passing it be- It was patented by D. F. Walker, WALKER'S ECCENTRIC. tween hot rollers. When this paraf- through the Scientific American Pat- fine mixture has been applied to cloth, such as that which were rendered more siccative by boiling or ent Agency on March 7, 1865. For…
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