Scientific American. JANUARY 14, 1893.] 27 THE ‘‘NATIONAL” TYPEWRITER, are afterward removed by means of flat grindstones A standard, high grade typewriter, designed to em- ealled filing machines. A “spit” of these double body all the good points of the best instruments, while ‘‘elams,” and divided… … key. Paper and envelopes can be fed an anvil. The heads are afterward softened through without raising the carriage. It THE NATIONAL” TYPEWRITER. by the application of heat for facilitating will run backward and forward while raised burnishing. The process of scouring the as well as when lowered,…
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