output being small. An average speed of three thousand ems per hour is considered good work on the Typograph. Back of the key¬ board and at a higher level, is an elliptical frame strung with wires which converge in a vertical plane beneath the keyboard. At the farther end of these wires are hung… … ing device for picking up a very long line of type. It is used character on each wire. When a key is struck, the correspond¬ in connection with the Dow composing-machine for transfer¬ ing matrix bar is released and slides down the inclined wire to ring type from the distributor to the channels of…
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Internet Archive · Smithsonian Libraries · Public domain (published before 1931). Free to use for anything.
