Van Nostrand's eclectic engineering magazine (1869)
[New York : D. Van Nostrand] · leaf 642
VAN NOSTRAND'S ENGINEERING MAGAZINE. 620 be made so small as to neglect the differ- corresponding to the offsets of 1 deg., 2 ence between A G B' and A B' ; or D may deg., 4 deg., etc., for every 100 feet. be a multiple of 1 deg., the difference for To lay out a curve when the first tan- every 100… … Setting the transit upon the tangent at isosceles if convenient. If necessary more A, select C B, so that than one point may be determined from A, and, conversely, points of the tangent CBLX D may be determined from B. * AB If the obstructions are too large, pro- can be easily expressed, the…
Engineering
Internet Archive · Smithsonian Libraries · Public domain (published before 1931). Free to use for anything.
