Panama and the canal . AMERICAN SUCTION DREDGES 197 than any other ^^•ay of digging, that our engineers usedredges wherever possible. The American suction dredges are much more powerfulthan the old French machines. What odd-looking affairsthey are, like great, floating docks with engines and ma-chinery on board and with a deck and rooms above for theworkmen to live in. Each dredge has a tul^e stretching. Men at Work Drilling Holes for the Cuarges. away from it like an enormously long tail. Upon inquiry,we shall find that each dredge has large suction pipes thatextend downward to the soft muddy
Panama and the canal . AMERICAN SUCTION DREDGES 197 than any other ^^•ay of digging, that our engineers usedredges wherever possible. The American suction dredges are much more powerfulthan the old French machines. What odd-looking affairsthey are, like great, floating docks with engines and ma-chinery on board and with a deck and rooms above for theworkmen to live in. Each dredge has a tul^e stretching. Men at Work Drilling Holes for the Cuarges. away from it like an enormously long tail. Upon inquiry,we shall find that each dredge has large suction pipes thatextend downward to the soft muddy bottom. This israpidly sucked up through the pipes and then forced out BLASTING through the long tube and deposited wherever it is the bottom is too hard for the suction pipes to drawup, it is often loosened by charges of dynamite. This
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Keywords: ., bookcentury1900, bookdecade1910, bookidcu3192401401, bookyear1910
