Modern instruments and methods of calculation : a handbook of the Napier Tercentenary Exhibition (1914)
Horsburg, E. M. (Ellice Martin), Napier Tercentenary Exhibition (1914 : Edinburgh, Scotalnd) · London : G. Bell · leaf 157
writer Co., Ltd. The new Multiplex Hammond Typewriter will write in either of twolanguages at a time, or in two different styles of type in any one languageby merely turning a button. It has 350 different sets of type distributedover thirty languages which may all be used on the same machine,… … Fig. 1. printing machine, and the operation of writing is performed upon a uniqueprinciple. Instead of type bars striking the paper through a ribbon, or bymeans of a pad, as in other machines, in the Hammond the paper is struckfrom behind with a constant blow, making every impression…
