Drawing and Design for Craftsmen

Drawing and Design for Craftsmen

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This historic book may have numerous typos and missing text. Purchasers can usually download a free scanned copy of the original book (without typos) from the publisher. Not indexed. Not illustrated. 1916 edition. Excerpt: ...then indicate the nearest corner of the reflection: the farther edges can be obtained by similar means, or it would be excusable in practical work to merely sketch their positions. Apart from level water, it is seldom that the reflecting surfaces are parallel to the objects concerned, but the rules printed in italics above apply absolutely in every case. Ewample. It is required to draw a view of the cross in Fig. 486, 7 in. in thickness, the mirror A B 5% in. high andthe _ reflection in the latter.----In this case the centre of vision has been made central with the cross itself, and the nearest corner of the latter touches the picture plane, thereby facilitating the setting out of its height in the drawing. First draw lines at right angles to the mirror from the various points of the cross, continue each of these a similar distance to the left of AB and join up as shown, thereby forming a plan of the reflection. Draw the cross itself in perspective in the usual way converging to points set out from c. Then draw the mirror in perspective, first continuing its line to D for a line of height, and drawing the line C E (only partially shown) parallel to it to ascertain its own special vanishing point. Finally, draw just as though it were an actual solid, as much of the reflection as falls within the limits of the glass previously drawn. In the example, a special vanishing point F is found for its shorter sides, but the others happen in this case to be so nearly parallel to the picture plane as to warrant their being drawn in parallel perspective. The worked-out view is given in Fig. 487. In the case of an inclined mirror the work becomes a little involved, but the same principle remains. Example. It is required to draw a view of the L-shaped...show more

Product details

  • Paperback | 80 pages
  • 189 x 246 x 4mm | 159g
  • Rarebooksclub.com
  • United States
  • English
  • black & white illustrations
  • 1236891376
  • 9781236891372
  • 2,257,736