NEW YORK MARCH 21 1874. IMPROVED SLOTTING MACHINE AND SLOTTING AND PLANING TOOL. New Results with Magnets. glue is a great improvement as it prevents the gum or glue becoming brittle. It also prevents gummed labels from hav ing a tendency to earl up when being written on. Sixty Miles an Hour on the New York Central Hallway. the numbers(rported was 2318; in 1872 it was 4760 and in 1872 it rop‘io 7515 despite the stagnation of the last four monthp.: rThis is of much more importance to American in. clustriditterests than the question whether our raw iron can be profitably exported to England. SLOTTING MACHINE AND SLOTTING AND PLANING TOOL., scientific american, 1874-03-21
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