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Electrical Tables and Formulæ: For Use of Telegraph Inspectors and Operators
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aeid ance Atlantic Avoirdupois B. A. units Banister Fletcher battery Boilers capacity per knot CATALOGUE OF SCIENTIFIC Cent charge circuit cloth coil common logarithms Comp condenser conducting power conductor connected convert Yards copper copper strand copper wire core crown 8vo cubic foot current strength deflection diameter distance earth electro electro-static capacity electro.magnet electro.motive force element equal F. N. SPON Fahr farads fault feet formula galvanic given gutta.percha hemp inches india-rubber Inst insulation insulation resistance iron wire knot length of cable Logarithms LONDON magnetic measured megohms Memoranda metal metres microfarads millimetres mils minute mirror galvanometer multiply nautical mile needle ohms percha plates pole proportional pure copper SCIENTIFIC BOOKS Screw ship Shore ends shunt specific gravity speed square statute mile sulphuric acid Table to convert Telegraph Temp temperature tension Treatise vebers velocity volts weight Yards into Knots—continued zinc
Página 1 - BAKER. — 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. By B. BAKER. I2mo. $1.50...
Página 20 - 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 25 - 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. By J. DRYSDALE, MD, and JW HAYWARD, MD Second edition, with Supplement, with plates, demy 8vo, cloth, 'js.
Página 14 - 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 15 - Ready Reckoner; or Tables for finding the diameter and power of cog-wheels, diameter, weight, and power of shafts, diameter and strength of bolts, etc. By THOMAS DIXON. Fourth edition, I2mo, cloth, 3*.
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