Du Pont farmer's handbook; instructions in the use of dynamite for clearing land, planting and cultivating trees, drainage, ditching and subsoiling . Series connection with blasting machine. The break in the wires is merely to indicate thatany required length of wire may be used between fuzes and blasting machine. Theremu-t be no break in the actual circuit. Leading Wire is sold in coils of 200 feet, 250 feet, 300 feetand 500 feet. There are two kinds, Single and Duplex. In theDuplex Wire, the two wires are bound together, which usuallymakes it more convenient to handle. Single Leadi
Du Pont farmer's handbook; instructions in the use of dynamite for clearing land, planting and cultivating trees, drainage, ditching and subsoiling . Series connection with blasting machine. The break in the wires is merely to indicate thatany required length of wire may be used between fuzes and blasting machine. Theremu-t be no break in the actual circuit. Leading Wire is sold in coils of 200 feet, 250 feet, 300 feetand 500 feet. There are two kinds, Single and Duplex. In theDuplex Wire, the two wires are bound together, which usuallymakes it more convenient to handle. Single Leading Wire weighsabout two pounds to the hundred feet, and Duplex Leading Wireweighs four pounds to the hundred feet. Leading Wire is sold bythe pound. Connecting Wire is sold in 1 -lb. and 2-lb. spools. A 1 of No. 20 Connecting Wire holds about feet. 24 THAWING KETTLES.
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Keywords: ., bookcentury1900, bookdecade1910, bookiddup, booksubjectexplosives
