Agricultural Drawing and the Design of Farm Structures (Classic Reprint) - Tapa blanda

Excerpt from Agricultural Drawing and the Design of Farm Structures

As the title implies, this book is intended primarily for students in agriculture and agri cultural engineering. Engineering Drawing is a required subject in practically all college agricultural courses. It is not given in these courses with the idea Of making professional draftsmen, but is regarded as an important subject for increasing the efficiency Of the farm owner or manager, by giving him what is in reality a new language in which to express and record his ideas.

Aside from mechanics and builders, there is no class to whom the value Of technical draw ing should appeal with as much force as to the progressive farmer. His literature is full Of illustrations and technical sketches, which to be read intelligently require a knowledge Of technical drawing. Government bulletins, State bulletins, agricultural periodicals and books, even trade and machinery catalogues, cannot be fully understood without this knowl edge. In order to build properly, or to pass upon a set of plans, he should be able to read architectural drawings. The man with the ability to draw to scale can plan his buildings, take Off his bill Of materials, estimate the costs, and mentally see the finished structure before it is built. He can make sketches of broken parts Of machinery, or of special pieces which he wishes to have made, he can make a layout Of his buildings or a plat of his farm. In short, he has an asset of distinct advantage and value.

This book is a text book* rather than a course in drawing. The principles and proc esses involved are described and illustrated, and a variety Of problems Of various kinds and Of progressive difficulty have been arranged, with outlines for a considerable number Of additional ones, not only giving suggestions to the farm owner, but also supplying class material, which may thus be varied from year to year. Drawing courses vary in length, and the instructor may make his choice from these numerous problems to cover the different divisions of the subject matter included in the text.

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