From the Rolls-Royce experimental archive: a quarter of a million communications from Rolls-Royce, 1906 to 1960's. Documents from the Sir Henry Royce Memorial Foundation (SHRMF).
The gradients and contours of Hazel-wood Hill and Swinscoe Hill.
| Identifier | ExFiles\Box 160\2\ scan0014 | |
| Date | 26th April 1923 | |
| X4578 26.4.23. DETAILS OF HILLS. V1725 X4578 Hazel-wood Hill. 1st. edge boundry wood of The Knoll 300 ft. contour. .18 miles 350 ft. contour. .295 " 400 ft. contour. .350 " 450 ft. contour. .430 " 500 ft. contour. .517 " 550 ft. contour. .627 " Hazelwood + roads. Swinscoe Hill. Bridge and Inn 400 ft. contour. .17 miles 450 ft. contour. .295 " 500 ft. " .420 " 550 ft. " .510 " 600 ft. " .680 " 650 ft. " .830 " 700 ft. " 1.070 " 750 ft. " 1.43 " 800 ft. " 1.59 " 850 ft. " 1.725 " 900 ft. " 1.845 " 950 ft. " 2.27 " Swinscoe village. Taken from 1" to mile Ordnance Survey. Rm.{William Robotham - Chief Engineer} | ||