. The Cambridge of eighteen hundred and ninety-six. A picture of the city and its industries fifty years after its incorporation. A TRIFLING ACCIDENT. 353 tor to do ; he presses the hutton and the machine does the rest. Aplain flat sheet of metal is fed into the rolls, and comes out in a fewseconds a complete pipe ten feet long, sometimes round, sometimessquare or oval, smooth or fluted, sometimes corrugated, so that it willexpand when water freezes in it; and, most wonderful of all, some ofthe machines produce a pipe ornamented and strengthened hy a spiralseam. All the galvanizing or zinc coa
. The Cambridge of eighteen hundred and ninety-six. A picture of the city and its industries fifty years after its incorporation. A TRIFLING ACCIDENT. 353 tor to do ; he presses the hutton and the machine does the rest. Aplain flat sheet of metal is fed into the rolls, and comes out in a fewseconds a complete pipe ten feet long, sometimes round, sometimessquare or oval, smooth or fluted, sometimes corrugated, so that it willexpand when water freezes in it; and, most wonderful of all, some ofthe machines produce a pipe ornamented and strengthened hy a spiralseam. All the galvanizing or zinc coating is done after the pipe ismade, which is the only way to make galvanized iron pipe reliable. As to rapidity of production, a machine will run out more pipe in aday than some workmen could make by hand in a whole winter. Abrief account of a trifling accident may illustrate the productive capa-city of modern sheet metal machinery. A machine not properlystopped at noon broke loose when the engine started up, running outpipe across the room in which it stood and back again as it was turnedby the opposite wall. Before it was
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Keywords: ., bookcentury1800, bookdecade1890, bookpublishercambr, bookyear1896
