ENGINEERROS FIELD BOOK. | FORMULA FOE RUNNING LINES, LOCATING ... the tangent from A to B = 57 -7 3 feet; then make th. ac The diagrams In this -work are not drawn to any exact seale, but are designs to represent merely the abstract geometrieal relation of lines. ;urve BAr equal AC; that is AMC = BKD; then.
|Title||:||The mechanic's, machinist's, and engineer's practical book of reference|