 | American School of Correspondence - Civil engineering - 1909 - 476 pages
...the lower edge resting on the working edge of the T-square, and draw the line EF as shown in Fig. 9. Now without moving the Tsquare place the triangle...45-degree angles coincide they are accurate. Triangles are very convenient in drawing lines at right angles to the T-square. The method of doing this is shown... | |
 | Heating - 1909 - 414 pages
...working edge of the T-square, and draw the line EF as shown in Fig. 9. Now without moving the T-- square place the triangle so that the other 45-degree angle...45-degree angles coincide they are accurate. Triangles are very convenient in drawing lines at right angles to the T-square. The method of doing this is shown... | |
 | Architectural drawing - 1910 - 430 pages
...the lower edge resting on the working edge of the T-square, and draw the line EF as shown in Fig. 9. Now without moving the Tsquare place the triangle...45-degree angles coincide they are accurate. Triangles are very convenieTit in drawing lines at right angles to the T-square. The method of doing this is shown... | |
 | Architecture - 1917 - 550 pages
...the line EF, Fig. 11. Now without moving the T-square place the triangle so that the other I.Vdrgree angle is in the position occupied by the first. If the two 4.Vdegrec angle> coincide they are accurate. 8 Triangles are used in drawing lines at right angles... | |
 | Heating - 1918 - 406 pages
...angles and the straightness of the edges. To test the accuracy of Fig. 10. .Testing a Bight Angle (4 5° Triangle) the right angle of a triangle, place the...Triangles are used in drawing lines at right angles to the T-- square, Fig. 12, and at an angle with the horizontal, Fig. 13. If it is desired to draw a line... | |
 | Heating - 1918 - 412 pages
...depends upon the accuracy of the angles and the straightness of the edges. To test the accuracy of Pig. 10. Testing a Right Angle (45° Triangle) the right...the two 45-degree angles coincide they are accurate. 227 8 Triangles are used in drawing lines at right angles to the Tsquare, Fig. 12, and at an angle... | |
 | Civil engineering - 1909 - 458 pages
...the line EF as shown in Fig. 9. Now without moving the T-- square place the triangle Fig. 8. Fig. 9. so that the other 45-degree angle is in the position...45-degree angles coincide they are accurate. Triangles are very convenient in drawing lines at right angles to the T-square. The method of doing this is shown... | |
 | Building - 1919 - 496 pages
...accuracy of the angles and the straightness of the edges. To test the accuracy of Fig. 10. Testing a Bight Angle (45° Triangle) the right angle of a triangle,...to a given Fig. 12. Drawing Vertical Parallel Lines lins EF, two triangles should be used. First, place triangle A with one edge coinciding with the given... | |
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T-- square place the triangle so that the other 45-degree angle is in the position occupied by the first. If the two 45-degree angles coincide they are accurate. Triangles are very convenient in drawing lines at right angles to the T-square. The method... 
