Inventors at work, with chapters on discovery (1906)
Iles, George, 1852-1942 · New York, Doubleday, Page & company · leaf 391
hanism of Pianola. . Much self-acting machinery employs electricity. By virtue ofthis wonderful agent the Automatic Electric Company of Chicagoinstals telephonic systems which enable a sub- Automatic scriber to connect himself directly with any Telephones,other subscriber, without the intervention…
Inventions · Inventors
Internet Archive · Library of Congress · Public Domain Mark 1.0. Free to use for anything.
![An illustration from [Electric engineering.] (1902)](https://img.insideoutlibrary.com/img/200/ia-electricengineer04inte-63-19.webp)
![An illustration from [Electric engineering.] (1902)](https://img.insideoutlibrary.com/img/200/ia-electricengineer03inte-435-269.webp)
