A Handbook of Practical TelegraphyLongmans, Green, Reader, and Dyer, 1874 - 443 páginas |
Términos y frases comunes
acid action adjusted apparatus armature arranged attracted battery contact cable cause charge coating condenser conducting conductor connected copper sulphate core Crown 8vo current passes Daniell cell dash deflection diameter direction disc discharge disconnected distance distant end distant station divided double ebonite Edition effect electricity electro-magnet electromotive force electroscope equal fault fixed galvano galvanometer greater gutta-percha inches increased instrument insulation iron joint knot leakage length lever Leyden jar line wire line-wire local battery Logarithm loop magnet marking current metal method mile millimetres mils Morse move needle number of cells obtained ohms opposite ordinary percha placed plates polarity pole portion position produced proportion put to earth R. A. Proctor receiving relay resistance coils reversed rheostat screw sending short circuit shunt side signals soldered solution span speed strain surface switch telegraph temperature terminal terminal stations tion trough Woodcuts zinc zinc sulphate
Pasajes populares
Página 2 - SKETCH of the HISTORY of the CHURCH of ENGLAND to the Revolution of 1688. By the Right Rev. TV SHORT, DD Lord Bishop of St. Asaph.
Página 24 - A Dictionary of Artists of the English School: Painters, Sculptors, Architects, Engravers, and Ornamentists ; with Notices of their Lives and Works. By Samuel Redgrave.
Página 36 - Lays of Ancient Rome. With 90 Illustrations on Wood, Original and from the Antique, from Drawings by G. SCHARF. Fcp.
Página 20 - The Treasury of Botany, or Popular Dictionary of the Vegetable Kingdom ; with which is incorporated a Glossary of Botanical Terms.
Página 21 - Chemistry, Medicine, Surgery, and the Allied Sciences. A Dictionary of Chemistry and the Allied Branches of other Sciences.
Página 2 - The Houses of Lancaster and York ; with the Conquest and Loss of France. By James Gairdner.
Página 13 - A Greek-English Lexicon. Compiled by HG LIDDELL, DD Dean of Christ Church, and R. SCOTT, D,D. Dean of Rochester. Sixth Edition. Crown 4to. price 36s. A Lexicon, Greek and...
Página 22 - A SYSTEM of SURGERY, Theoretical and Practical. In Treatises by Various Authors.
Página 18 - HOMES WITHOUT HANDS; a Description of the Habitations of Animals, classed according to their Principle of Construction. By the Rev. JG WOOD, MAFLS With about 140 Vignettes on Wood.
Página 14 - Essays on Astronomy. A Series of Papers on Planets and Meteors, the Sun and Sun-surrounding Space, Stars and Star Cloudlets. By RA Proctor, BA With 10 Plates and 24 Woodcuts.