Evening Republican, Volume 16, Number 104, Rensselaer, Jasper County, 30 April 1912 — Dictograph. [ARTICLE]

Dictograph.

The dictograph consists of a series of sensitive metal plates set in a hard! rubber cylinder. In its elements It is a telephone transmitter Used in a business way It enables o man to sit at Ms desk In bis private % Mite alone and talk off his correspondence without the stenographer being present The stenographer may be in the nest room or on the other, side of the building, but she bears the words as distinctly as though she p§|h at his elbow, and sets them down. The dictograph promises to ba of great service In detective work, and la already being tfiied In that line. :v " > ‘