The Telegraph Manual: A Complete History and Description of the Semaphoric, Electric and Magnetic Telegraphs of Europe, Asia, Africa, and America, Ancient and Modern : with Six Hundred and Twenty-five Illustrations |
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Common terms and phrases
acid alphabet America apparatus armature arrangement atmospheric electricity attached axis brass cable centre Chappé charge circuit coils communication conducting wire conductor connected constructed copper copper wire crank cups cylinder deflected described dial diameter dispatch distance earth electric current electric telegraph Electric Telegraph Company electro-magnet electrometer employed fastened feet figure glass gutta-percha hole inches independent circuit indicator instrument insulated invention iron wire letter lever Leyden jar lightning line wire local battery magnet manipulation mast means ment metallic metallic leaf miles motion movement needle New-York operator paper pass patent placed plate pole position Professor Morse pulley receiving represented by fig screw seen in fig sender side signals single dispatch soldered spring station surface tele Telegraph Company telegraph lines thence tion transmission transmitted traverses tricity Tunbridge turn type-wheel vertical voltaic current voltaic pile wheel words zinc