Van Nostrand's eclectic engineering magazine (1869)
[New York : D. Van Nostrand] · leaf 28
16 VAN NOSTRAND'S ENGINEERING MAGAZINE. … r,r' denote the radii, § 3. REVERSE CURVES. d,df denote the deflection angles. 1. When the tangents are on the same 2c denote the length of the chord. side of the chord which joins the termini Then it is obvious that neither a simple curve nor a compound curve can be used. We must have re- (1)…
Engineering
Internet Archive · Smithsonian Libraries · Public domain (published before 1931). Free to use for anything.
