A Rapid Canceling Machine

The mam who introduced the first cajncelíng macMne in the New York general post office is employed there motv, bnt he has litved to, see his machine gurpassed. Hie iuvention would camcel 4,000 etamps in au licxiir, or less tha.n the average numler for a ekilled man worklmg by hand. Three or four otlier macliines, eaoh' a Hfttle faster thaui lts predecesBKW, were ilntroduced in turn and discarded. One was invented t-hat, iar cxceeded the speed of the swiftest haoid worker, aind it was used until the dtecovery was made that it sometiimes ent throush the envelopes and damaged contents. Tlien the present machine, -whteh caneéis 48,000 stamps wa bour, was introduced. Tlie ïi-e machines in use at the Roneral postoi'fice are run by electrfcity.