Cyclopedia of applied electricity : a general reference work on direct-current generators and motors, storage batteries, electrochemistry, welding, electric wiring, meters, electric lighting, electric railways, power stations, switchboards, power transmission, alternating-current machinery, telegraphy, etc. (1916)
American Technical Society · Chicago : American Technical Society · leaf 26
he line was finally completed as an overhead pole line in INIay,1844; its successful completion being due mainly to the persistenceof Ezra Cornell, the Superintendent of Construction. The systemwas formally opened on May 29, 1S44, by the transmission of thememorable message What hath God wrought. A… … Fig. 3. Morse Recorder Used to Receive the Memorable Message, What Hath God Wrought,at Baltimore, May 27, 1844 stylus as shown. It is instructive to note that although iNIorse hadthus publicly demonstrated the possibility, and even the practica-bility, of electric telegraphy, yet the general public…
Electrical engineering
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