Electricity for the Farm and Home |
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acre advantage agriculture alternating current ammonia amount ampere-hours amperes apparatus arc lamps average belt boiler bushels by-products capacity cent central station central-station chine coal cold convenient country residence diameter driving efficiency elec electric current electric energy electric heating electric light electric motor electric ploughing electric vehicle electrically operated emancipation of labour engine ensilage equipment expense farmer feet field flour fruit fuel furrows ground horsepower horses hydroelectric inches installed internal-combustion engine irrigation kilowatt-hour labour lamp load machine machinery method miles milking minute Motor-operated motor-wagon necessary ozone ozoniser pipe placed plough-system poles potato pounds power plant produced pulley pump purposes refrigerating revolutions per minute rural industries shaft small motor speed steam stored supply tank telephone temperature THOMAS COMMERFORD MARTIN thresher threshing tion tric tricity utilised voltage water-wheel waterpower watt-hours wheel windmill wire دو وو
Popular passages
Page 144 - Kisii, practically all available land is under crops and for; most farms the re sting /fallow period is between the harvest of one crop and the sowing of the next crop.
Page 77 - A simple rule for ascertaining transmitting power of belting, without first computing speed per minute that it travels, is as follows: Multiply diameter of pulley in inches by its number of revolutions per minute, and this product by width of the belt in inches; divide...
Page 258 - This work dealing with a subject of great interest to engineers in all lines of professional work, is written by a man who is evidently well acquainted with both the principles and practice of this important branch of engineering. The plan of the book is excellent, the main features of the subject being so grouped as to afford a clear, logical exposition of the whole.
Page 258 - Mr. Koester has made an exhaustive study of the evolution of the past 15 to 20 years in the great field of hydroelectric development, and has brought his material into compact, sequential form, with the result that we are indebted to him for an exceedingly interesting volume. What constitutes its value in no small degree is the international nature of its data. The reader will find in this handsome, well-written, well-indexed volume the latest ideas, "fads and fancies," and real scientific triumphs...
Page 81 - To find the diameter of Driver the diameter of the Driven and its revolutions, and also revolutions of Driver being given : Diameter of Driven X Revolutions of Driven = Diam. of Driver Revolutions of Driver To determine the diameter of Driven, the revolutions of the Driven...
Page 81 - Driven -=Diam. of Driven To determine the revolutions of the Driver, the diameter and revolutions of the Driven, and diameter of the Driver being given.
Page 81 - Driver, the diameter and revolutions of the Driven, and the diameter of the Driver being given: Diameter of Driven X Revolutions of Driven • — Rev. of Driver Diameter of Driver To determine the revolutions of the Driven...
Page 6 - During the last half-century we have begun to develop a system of agricultural education at once practical and scientific, and we must go on developing it. But, after developing it, it must be used. The rich man who spends a fortune upon a fancy farm, with entire indifference to cost, does not do much good to farming; but, on the other hand, just as little is done by the working farmer who stolidly refuses to profit by the knowledge of the day; who treats any effort at improvement as absurd on its...
Page 3 - One reason why the great business men of to-day — the great industrial leaders — have gone ahead, while the farmer has tended to sag behind the others, is that they are far more willing, and indeed eager, to profit by expert and technical knowledge — the knowledge that can come only as a result of the highest education.
Page 260 - The Price of Inefficiency," by Frank Koester. The book claims to lay bare in searching analysis, and startling deductions national ills and weaknesses due to inefficiency, governmental, or non-governmental, and largely responsible for the high cost of living and other harsh conditions. It stands also for specific remedies for the staggering cost, admittedly amounting to millions annually, of avoidable waste. The author, an engineer of international reputation, and now an American citizen, writes,...