It has heretofore generally been the custom for each company starting or operating a drafting room, to compile its own set of Standard Practice Sheets at much expense of time and with divers results. This book is an attempt to describe methods and illustrate forms which would be generally applicable in engineering offices and drafting rooms and combine with this the conventional symbols or standards for the different branches of drafting, such as Architectural, Electrical, Mechanical, Patent Office, Structural, and Topographical. Provision is also made in the index and at the end of each part for the inclusion of special information, data, instructions, etc., pertaining only to the business of each user, and the addition of which information should be a convenience and a step toward completeness. Parts I and III are intended for those directing a drafting room, as well as draftsmen. The directions for draftsmen and particularly tracers are necessary if uniformity of work is to be attained; otherwise each man will do his work in his own way and the results will be anything but uniform. Part II will be of most value to draftsmen. Here it has been endeavored to give as complete a list of standard symbols as is now available and which either have no traceable parentage or have come into general use through the actions of Government Departments, Committees of the various Engineering and Manufacturers' Societies, and recommendations of the Engineering Publications. To all of these, grateful acknowledgment +5 405426 |