. A textbook on mechanical and electrical engineering . ew of the sectional surface may now be drawn as follows:Draw projectors vertically upwards from the points 1, 3, 3,etc. in the elevation, and at a convenient height from thatview draw the horizontal line ;// n. The width of the sur-face, as measured on each line, may now be set off with thedividers, as directed in Art. 53; thus, take the space ,v jfrom the plan and transfc-r it to corresponding positionsat x y x on the same line in the full view. Transfer, inlike manner, the length of each vertical dotted line shown 80 PRACTICAL PROJECTIO
. A textbook on mechanical and electrical engineering . ew of the sectional surface may now be drawn as follows:Draw projectors vertically upwards from the points 1, 3, 3,etc. in the elevation, and at a convenient height from thatview draw the horizontal line ;// n. The width of the sur-face, as measured on each line, may now be set off with thedividers, as directed in Art. 53; thus, take the space ,v jfrom the plan and transfc-r it to corresponding positionsat x y x on the same line in the full view. Transfer, inlike manner, the length of each vertical dotted line shown 80 PRACTICAL PROJECTION i5 15 in the plan to the full view and trace an irregular curvethrough the points thus located, completing the curve may also be traced through the plan and thereindicated by short cross-hatching, while the full view of thesectional surface is designated, as heretofore, by cross-sec-tion lines in the manner shown on the plate. So. Pi*actieal Metliod of Representing Certain Sec-tions.—In working drawings, particularly those made for. Fig. .39 the execution of sheet-metal work, a section drawing isoften made directly over another view, and the lines indi-cating the section are distinguished by short cross-hatching,as shown on the plate in the plan of the preceding portions of sectional views are also frequently shownin this way on working drawings, in order to indicate the
Size: 2614px × 956px
Photo credit: © Reading Room 2020 / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: ., bookcentury1900, bookdecade1900, booksubjectmechani, bookyear1902
