Johnston, Philip Devereux, 1855- · New York, D. Williams Company · leaf 104
-2. Next take i-3 and step it off eachside of point 6, as 6-3, 6-3, and so on until all thepoints have been transferred to each side of point 6.Now transfer point 4 to M and N, 3 to i and 11, 2to 2 and 10. 6 to 3 and 9, 2 to 4 and 8, 3 to 5 and 7.A curve drawn through these points will be the… … LOFC 00 A MANUAL OF MECHANICAL DRAWING. Plate 31. To Lay Out an Elbow of Several Sectionsand to Develop a Section. Draw the right angle A O, O E. With O for centreand O A equal to the outer radius of elbow draw arcA B C D E, and from same centre and radius O F,equal to inner radius of elbow, draw…
Mechanical drawing
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