Shaffners Telegraph Companion Devoted To The Science And Art Of The Morse American Telegraph PDF Download

Excerpt from Shaffner's Telegraph Companion, Vol. 1: Devoted to the Science and Art of the Morse American Telegraph, January, 1854 The discovery proved to be of vast public utility, and his mode of heating the air was greatly improved by various devices, among which was the substitution of iron pi es for his clumsy iron box. The parties who had substitute other modes for heating the air, maintained, as the appellants in this case do, that Neilson's patent was for his mode of heating the air only, and as they used different modes, they were not infringers. About the Publisher Forgotten Books publishes hundreds of thousands of rare and classic books. Find more at www.forgottenbooks.com This book is a reproduction of an important historical work. Forgotten Books uses state-of-the-art technology to digitally reconstruct the work, preserving the original format whilst repairing imperfections present in the aged copy. In rare cases, an imperfection in the original, such as a blemish or missing page, may be replicated in our edition. We do, however, repair the vast majority of imperfections successfully; any imperfections that remain are intentionally left to preserve the state of such historical works.