An Introduction to the Graphic Language: The Vocabulary, Grammatical Construction, Idiomatic Use, and Historical Development, with Special Reference to the Reading of Drawings |
Other editions - View all
Common terms and phrases
American Railway Association angle of 30 appear auxiliary views Bisect CHAMBER character circle compasses CONNECTING ROD Construct by Art contour lines curve cylindrical describe arc determine diameter dimensions distance dividers door DRAFTSMAN'S METHOD Draw a hexagon Draw an ellipse draw lines edge engineering FLOOR PLAN foci freehand front view GONAL graphic expression graphic language height horizontal plane hyperbola ideas idiomatic illustrated by Fig indicated instruments isometric representation Leonardo da Vinci letters line drawn major axis minor axis necessary needle-point nibs object observed obtain orthographic projection parabola pencil penmanship perpendicular perspective drawings perspective representation pitch point of intersection position Problem projecting planes radius reading represented right line rooms scale screw second floor sectional view shown in Fig side view sketch slant lines slightly square stairs steam hammer straight edge surface Technical Drawing thread tion top view triangle draw vanishing point vertex vocabulary walls width
Popular passages
Page 116 - If the 90° and 60° angles are found to be correct, the third angle must be 30°^ since the sum of the angles of any triangle is equal to 180°.
Page 95 - I generally tlwughi out, with the aid of pen and pencil, such mechanical adaptations as I had conceived in my mind, and was thereby enabled to render them visible. I then rapidly sketched out my Steam Hammer, having it all clearly before me in my mind's eye. In little more than half an hour after receiving Mr. Humphries...
Page 95 - Book," on the pages of which I generally thought out, with the aid of pen and pencil, such mechanical adaptations as I had conceived in my mind, and was thereby enabled to render them visible. I then rapidly sketched out my Steam Hammer, having it all clearly before me in my mind's eye. In little more than half an hour after receiving Mr.
Page 121 - Do not overload the pen with ink, Having filled the pen, nearly close' the nibs and try the width of the line on a piece of paper or the margin of the drawing. Never refill or lay the pen aside without first cleaning it.
Page 138 - An hyperbola is a curve generated by a point moving in a plane so that the difference of its distances from two fixed points in that plane is constant.
Page 116 - Beveled-edge Scale. angle is 90°. If they do not coincide, and the vertex of the angle formed by the line and the vertical edge of the triangle is at the top, the angle is greater than 90° by half the angle indicated. If the vertex of the angle is below, the angle is less than 90° by half the amount indicated. Fig.
Page 128 - The point of intersection of these lines will be the center of the quarter-section.
Page 156 - RHEOSTAT. SINGLE POLE. DOUBLE POLE. SINGLE POLE. DOUBLE POLE. SINGLE THROW. DOUBLE THROW. QUICK ACTING CIRCUIT CONTROLLERS MAY BE DISTINGUISHED BY THE LETTER 9 — (/WV — . FIXED RESISTANCE.
Page 119 - A bow compass, each leg of which terminates in a point; used to transfer measurements from one part of a drawing to another.
Page 128 - This theorem is particularly useful as it suggests a way of drawing a circle through three given points, A, B and C.