[ 6]. F.W. Taylor, Shop Management, para. 221. Harper Ed., p. 96.

[ 7]. F.W. Taylor, Shop Management, para. 221-231. Harper Ed., pp. 96-98.

[ 8]. Compare H.L. Gantt, No. 1002, A.S.M.E., para. 9.

[ 9]. Compare H.P. Gillette, Cost Analysis Engineering, pp. 1-2.

[10]. F.W. Taylor, Principles of Scientific Management, p. 37.

[11]. F.W. Taylor, Shop Management, para. 245. Harper Ed., p. 104.

[12]. For excellent example of special routing see: Charles Day, Industrial Plants, chap. VII.

[13]. C. Babbage, Economy of Manufacturers. p. 172. "The constant repetition of the same process necessarily produces in the workman a degree of excellence and rapidity in his particular department, which is never possessed by a person who is obliged to execute many different processes."

[14]. F.W. Taylor, On the Art of Cutting Metals, Paper No. 1119, A.S.M.E.

[15]. C.G. Barth, Slide Rules for Machine Shops and Taylor System. Paper No. 1010, A.S.M.E.