electro typographic machine

An apparatus invented by Fontaine, a French barrister, for printing short legal documents, . The letters of the alphabet are arranged around two horizontal disc, one above the other, and surmounted by a third disc which has notches corresponding to the types below A bar in the center is caused to pre upon the notch representing any particular letter, which is, by electromagnetic action, caused to drop and leave its impre ion on a sheet of paper wound upon a roller beneath, then returning to its place. When the whole has been printed, an impre ion is transferred to a lithographic stone, from which any number of copies may be taken.