Notes in engineering, 3a, Harvard university (1904)
Kennedy, F[rank] L[owell] [from old catalog], Norton, Arthur Edwin, [from old catalog] joint author · Cambridge, Mass. · leaf 38
Fis, 2 To Rectify a given Are Given arc ab (Fig. 2). UseBow Spring Dividers. Stepoff short distances along arcab and same number alongStraight Line. This makes ab equal, ap-proximately, arc ab. … To Transfer a GearTooth Curve Place Scroll to coincide withgivencur\-e (mn) (Fig. 5).Mark point n on Scroll anddraw Circle P tangent toScroll at any convenientpoint (as t). Change Scrollto new position and drawmn as shown. Alternative Method Omit Circle P and use mark(as s) to locate curve. 24…
Mechanical drawing
Internet Archive · Library of Congress · Public Domain Mark 1.0. Free to use for anything.
