The Whitworth measuring machine : including descriptions of the surface plates, gauges, and other measuring instruments, made by Sir Joseph Whitworth, bart., C.E. F.R.S. D.C.L. LL.D. &c.
Goodeve, T. M. (Thomas Minchin), b. 1821; Shelley, C. P. B. (Charles Percy Bysshe), 1827-1890; Whitworth, Joseph, 1803-1887