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California Cap 100 x 6 II
California Cap 100 x 6 III
Metallic Cap May 1902 Engineering and Mining Journal
Various Blasting Tools
Cap Crimpers
  Clarks Blasting Tubing Label.jpg - CLARK PATENT BLASTING TUBE - Paper blasting tube package for black powder explosives; tube dia. 1 5/16 in., manufactured by Clark Patent Tubing Co., Wheeling, WV, tubing marked in 1 in. increments to measure powder charge length, patented by George Sherman Clark of Huntington, WV No. 1,567,991 filed on Feb. 10, 1922 and awarded Dec. 29, 1925 (The Clark patent was intended to provide a simplified method to create a paper tube of convenient shape and size to form and hold the black powder charge for blasting in coal mines)  
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Clarks Blasting Tubing Label | CLARK PATENT BLASTING TUBE - Paper blasting tube package for black powder explosives; tube dia. 1 5/16 in., manufactured by Clark Patent Tubing Co., Wheeling, WV, tubing marked in 1 in. increments to measure powder charge length, patented by George Sherman Clark of Huntington, WV No. 1,567,991 filed on Feb. 10, 1922 and awarded Dec. 29, 1925 (The Clark patent was intended to provide a simplified method to create a paper tube of convenient shape and size to form and hold the black powder charge for blasting in coal mines) Download Original Image
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