Laying and Repairing of Electric Telegraph CablesSpon, 1878 - 71 páginas Datennetz, digitales Vermittlungsnetz, digitales Netz. |
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Laying and Repairing Electric Telegraph Cables (Classic Reprint) V. Hoskiaer Prévia não disponível - 2018 |
Termos e frases comuns
angle of immersion apparatus Appendix Assoc Banister Fletcher battery Boilers bottom brake breaking strain buoy cable hanging vertically cable is payed Chatterton's compound China-Japan Coal Gas coiling conductor copper-resistance core crown 8vo Deflection depth diameter Ditto dynamometer ELECTRIC TELEGRAPH electrical tests Electrician F. N. SPON fathoms fault fcap flake foot of cable Formulæ friction Galvanometer Gearing grapnel guttapercha hemp illustrated inch increased indiarubber Inst Insulation per Knot Iron jockey joint kinks Knot at 75 lay the cable Link-Motion LONDON loss of charge Machinery Measurement Mechanical Megohms Memoranda minute modulus Northern Telegraph Company number of revolutions paying-out drum picking-up plates Practical Treatise q²+2q Railway Railway Signals Roofs royal 8vo Screw Propellers second edition sewed ship slack solder specific gravity splicing station Steam Engine Strength SUBMERGENCE Tables tank TELEGRAPH CABLES temperature terminal station tion Valve velocity of sinking weight in water wheel zinc
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Página 2 - Examples and Rules in great number for exhibiting and calculating the size and driving power of Belts. Plain, Particular and Practical Directions for the Treatment, Care and Management of Belts.
Página 22 - A Pocket-Book for Boiler Makers and Steam Users, comprising a variety of useful information for Employer and Workman, Government Inspectors, Board of Trade Surveyors, Engineers in charge of Works and Slips, Foremen of Manufactories, and the general Steamusing Public. By MAURICE JOHN SEXTON. Second edition, royal 32mo, roan, gilt edges, 5*.
Página 5 - The Elementary Principles of Carpentry. By THOMAS TREDGOLD. Revised from the original edition, and partly re-written, by JOHN THOMAS HURST. Contained in 517 pages of letterpress, and illustrated with 48 plates and 150 wood engravings.
Página 8 - A Treatise on the Origin, Progress, Prevention, and Cure of Dry Rot in Timber; with Remarks on the Means of Preserving Wood from Destruction by Sea- Worms, Beetles, Ants, etc. By THOMAS ALLEN BRITTON, late Surveyor to the Metropolitan Board of Works, etc., etc. With 10 plates, crown 8vo, cloth, "]s.
Página 3 - Long-Span Railway Bridges, comprising Investigations of the Comparative Theoretical and Practical Advantages of the various adopted or proposed Type Systems of Construction, with numerous Formulae and Tables giving the weight of Iron or Steel required in Bridges from 300 feet to the limiting Spans ; to which are added similar Investigations and Tables relating to Short-span Railway Bridges.
Página 16 - CONTENTS : Chap. I. How Work is Measured by a Unit, both with and without reference to a Unit of Time — Chap. 2. The Work of Living Agents, the Influence of Friction, and introduces one of the most beautiful Laws of Motion — Chap.
Página 8 - Tables for Computing the Contents of Earthwork in the Cuttings and Embankments of Railways. By W. Macgregor.
Página 21 - Slide-Valve and Expansion Gearing ; together with Stephenson's, Gooch's, and Allan's Link-Motions, as applied either to reversing or to variable expansion combinations. By EDWARD J. COWLING WELCH, Memb. Inst. Mechanical Engineers. Crown 8vo, cloth, 6s.
Página 27 - Health and Comfort in House Building, or Ventilation with Warm Air by Self-Acting Suction Power, with Review of the mode of Calculating the Draught in Hot- Air Flues, and with some actual Experiments.
Página 21 - Screw Cutting Tables, for the use of Mechanical Engineers, showing the proper arrangement of Wheels for cutting the Threads of Screws of any required pitch, with a Table for making the Universal Gas-pipe Threads and Taps. By WA MARTIN, Engineer. Second...