Electric Transmission of Energy, and its Transformation, Subdivision and Distribution. A Practical Handbook by Gisbert Kapp, C. E., Associate Member of the Institution of Civil Engineers .

In-16° (19 x 12,3 cm), pp. XI, (1), 331, (1), 4, legatura editoriale, con titoli in oro al dorso e fregio della collana "The Specialists' Series" al piatto anteriore. Nella parte superiore del dorso, nel bordo esterno, lato piatto posteriore, piccolo strappo, di 0,9 cm. Con 119 figure in bianco e nero nel testo, alcune delle quali ospitate su tre tavole ripiegate. Nell'angolo inferiore interno del contropiatto anteriore, piccola etichetta della Hoepli di Milano. Qualche leggero segno d'umido alle carte di guardia, all'occhietto e a poche pagine. A pagina 200, piccola macchia di inchiostro, di 0,3 x 0,8 cm, con testo che rimane leggibile. Un piccolo strappo nel margine superiore del foglio con le pagine 243-244 e due in quello inferiore dei fogli con le pagine 281-282 e 283-284, tutti lontano dal testo e senza perdite, ben rimarginati con carta giapponese. Per il resto, esemplare ben conservato, parzialmente intonso. Nella collana "The Specialists' Series". Edizione originale - Prima edizione - Original Edition - First Edition. Contents: Introductory. Chapter I. General Principles - Lines of Force - Relations between Mechanical and Electrical Energy - Absolute Measurements - Ideal Motor and Transmission of Energy - Practical Units. Chapter II. First Electro-motor - Professor Forbes' Dynamo - Ideal Alternating Current Dynamo - Ideal Continuous Current Dynamo - Siemens' Shuttle-Wound Armature - Effect of Self-Induction - Experiments with Electro-motors - Hefener-Alteneck Armature - Gramme Armature - Pacinotti Armature - Electro-motive Force created in any Armature. Chapter III. Reversibility of Dynamo Machines - Different conditions in Dynamos and Motors - Theory of Motors - Horse-power of Motors - Losses due to Mechanical and Magnetic Friction - Efficiency of Conversion - Electrical Efficiency - Formulas for Dynamos and Motors. Chapter IV. Types of Field Magnets - Types of Armatures - Exciting Power - Magnetic Circuit - Magnetic Resistance - Formulas for strength of Field - Single and Double Magnets - Difficulty in Small Dynamos - Characteristic Curves - Horse-power Curves - Speed Characteristics - Application to Electric Tramcars - Static, Dynamic, and Counter-Electro-motive Force. Chapter V. Graphic Treatment of Problems - Maximum External Energy - Maximum Theoretical Efficiency - Determination of best Speed for Maximum Commercial Efficiency - Variation of Speed in Shunt Motors - The Compound Machine as Generator - System of Transmission at Constant Speed - Practical Difficulty. Chapter VI. Classification of Systems according to Source of Electricity - Transmission at Constant Pressure - Motors mechanically governed - Self-Regulating Motors - Transmission at Constant Current - Difficulty of Self-Regulation - Motor for Constant Current made Self-Regulating -Application to Transmission over large Areas - Continuous Current Transformator - Transmission between two Distant Points - Loss of Current by Leakage - Theory - Commercial Efficiency - Conditions for Maximum Commercial Efficiency - Self-Regulation for Constant Speed - Practical Example. Chapter VII. The Line - Relation between Capital Outlay and Waste of Energy - Most Economical Size of Conductor - Formula for Maximum Current - Formula for Mean Current - Tables for Finding Most Economical Size - Heating of Conductor - Table for Rise of Temperature. Chapter VIII. Circuit for Electric Transmission - Circuits for Electric Distribution - Relative Importance of Insulation - Aërial Lines - Insulators - Attachment of Conductor to Insulator - Joints - Couplings - Material for Aërial Lines - Estimate for Aërial Line - Protection from Lightning - Underground Lines - Edison Mains - The Three-Wire System - Various Systems of Underground Conduits - Lead-Covered Cables. Chapter IX. Possible Applications of Electric Transmission of Energy - Best Field for it is Long Distance Transmission - Comparison with other Systems - Herr Beringer's Investigation - Hydraulic Transmission - Pneumatic Transmission - Wire-Rope Transmission - Comparative Tables of Efficiency and Cost - Practical Conclusions. Chapter X. Classification of Dynamo Electric Machines - The Edison Dynamo - The Edison-Hopkinson Dynamo - The Thomson-Houston Dynamo - The Immisch Motor - The Manchester Dynamo - The Elwell-Parker Dynamo - The Elwell-Parker Motor - The Crompton Dynamo - The Goolden Trotter Dynamo - The Andrews Dynamo - The Kapp Dynamo - The Phoenix Dynamo - The Reckenzaun Motor - The Victoria Dynamo - The Gülcher Dynamo. Chapter XI. Historical Notes - Fontaine's Discovery - Figuier's Explanation - Early Patent of Pinkus - Early Electro-Motors - Page's Electric Railway - Ploughing by Electricity at Sermaize - Electric Cranes - Ventilating and Pumping by Electricity - Modern Electric Railways - Different Systems - Comparative Merits of Battery System and Conductor System - The Bessbrook-Newry Electric Railway - The Blackpool Electric Tramway - The Telpher Line at Glynde - Reckenzaun's Electric Tramcar - Comparative Estimates for Horse Traction and Electric Traction. Chapter XII. M. Marcel Deprez's Experiments - Palais de l'Industrie in 1881 - Munich in 1882 - Paris, Gare du Nord, in 1883 - Grenoble-Vizille, in 1883 - Paris-Creil, in 1885 - The Generator - The Motors - General Arrangement - Regulation of Motors - Starting of Motors - Stopping of Motors - Automatic Safrty Appliances. Titolo per esteso: Electric Transmission of Energy, and its Transformation, Subdivision and Distribution. A Practical Handbook by Gisbert Kapp, C. E., Associate Member of the Institution of Civil Engineers, Associate of the Society of Telegraph Engineers and Electricians.