e line. As soon as the selector arm be- great impetus to the art of lithography. The flexibility On depressing a key two electrical contacts are of the metal plate permitted it to sins to move, the operator adds tu his line sufficient characters to com- be used on rotary presses, whereas | plete… … passed backward through this ma- plate correspond perfectly to the original design. chine; that is, the end of the line A few years ago it occurred to is first to pass between the contact Mr. Walter S. Timmis, a Brooklyn fingers. Consequently, the first con- tact made is that of the justifier.…
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