File:Mechanical drawing for trade schools (1909) (14579136719).jpg

Identifier: mechanicaldrawin04leed (find matches)
Title: Mechanical drawing for trade schools
Year: 1909 (1900s)
Authors: Leeds, Charles Carley, 1870- (from old catalog)
Subjects: Mechanical drawing
Publisher: New York, D. Van Nostrand company
Contributing Library: The Library of Congress
Digitizing Sponsor: The Library of Congress

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nd for allother purposes, except for titles and headings. As an aid in learning to letter, it is well to use guide lines as shown in the illustration. The student will find the slope guide lines a greathelp also in making letters of uniform appearance. FIGURES.—What has been written in regard to lettering appliesequally well to figures. It is of great importance that the student should learn to make hisfigures so well that no one should have anv trouble in reading themeasily and quickly. Mistakes in the shops are very frequently causedby poorly written figures on drawings, and these mistakes are oftenvery costly. The value of using great care at all times in placing thedimensions on drawings is thus clearly shown. THE LESSON.—Make a neat pencil copy of the illustration,using care with both letters and figures; note carefully the proportionsof both. Leave off figures showing spacing of guide lines, as thesewere intended merely as an aid to the student in laying out his lessonsheet.
Text Appearing After Image:
CLASS Indusfrial trade NIachinisfNAME John W. Roberta date Nov. 12, 06 THE CARNEGIE TECHNICAL SCHOOLS PITTSaUKGH, PA. School of AppREsnces ano Journeymen KIECMANICAL DftAWINQ Lettering - Figures SCALE Full Siza ■ dwg.no. C-1002 LESSON No. 6. SKETCHING.—^^^^atever course in mechanical drawing the stu-dent may pursue, he will sooner or later desire to know something aboutsketching, or, at least, he will feel the need of it. A knowledge of sketching is exceedingly useful to men of most ofthe trades, and the lessons on this subject have been planned with thebelief that they may assist the students to use their pencils more freelyand easily in making simple mechanical drawings free-hand. METHOD.—The method that we shall follow, we shall call theShort-stroke Method, from the fact that as we draw a line in anydirection, it is not made by a single stroke of the pencil, but by a seriesof short strokes. There should be the smallest possible opening be-tween the ends of these short lines,

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