Practical Geometry for Second Grade Art Pupils and Private Schools

Practical Geometry for Second Grade Art Pupils and Private Schools

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This historic book may have numerous typos and missing text. Purchasers can download a free scanned copy of the original book (without typos) from the publisher. Not indexed. Not illustrated. 1881 edition. Excerpt: ...half-inches on it, because we have to show five yards. Divide the first into three parts: it shows feet. Number and complete as in the figure. Note.--The dotted lines shown in the figures are the lines of construction for dividing a line by similar triangles, as explained in Part I. il. Examples of other scales similar to those explained f Inch. Note.--The scale is broken off here, as there is no room to show the next foot, etc. e. The line A B represents one foot nine inches; produce it to show four feet three inches. The first conside ration is, how much of the line A B represents one foot, if A B represents one foot nine inches--that is, twentyone inches. If A B is divided into seven equal parts, then each part represents three inches, and four such parts twelve inches or one foot. Complete the scale as shown in the figure. 2. Diagonal Scales. a. The line A B represents 500 miles. Show hy diagonal divisions how to measure miles. Divide AB into five equal parts. Each part then represents one hundred miles. Divide the first of these divisions on the left hand into ten equal parts, and draw ten parallel lines helow A B, and equidistant from it and from each other. Complete the scale, and number it as in the figure. It is evident that each of the divisions in A C represents ten miles, because A C represents 100 miles. Suppose it is required to set ofl' 8 miles from this scale, 8 D on the line 8 is eight miles, and the distance E F represents 448 miles, etc. b. A B represents 100 feet: show how to measure single feet by diagonal divisions. Divide AB into ten equal parts; each part is of A B--that is, 10 ft. long. Draw five parallel lines as shown in the figure; also the line 10 C and 0 C. The lines 10 C and 0 C show hundredths--thus, 2 D is two...show more

Product details

  • Paperback | 26 pages
  • 189 x 246 x 1mm | 68g
  • Rarebooksclub.com
  • Miami Fl, United States
  • English
  • black & white illustrations
  • 1236503503
  • 9781236503503