23 Leicester, Rochdale, and other towns built Hawkesley gravitation schemes; see Roney, Scott Edward, “Trial and Error in the Pursuit of Public Health: Leicester, 1849–1891” (PhD diss., University of Tennessee, Knoxville, 2002), 80Google Scholar; Leicester Water Undertaking, 1847–1874 (Leicester, 1974), 59Google Scholar; and Taylor, Rebe, Rochdale Retrospect (Rochdale, 1955), 127–28Google Scholar. Simpson promoted the system for Aberdeen and Liverpool; see Simpson, James, Report on the Most Efficient Means of Obtaining an Increased Supply of Water to the City of Aberdeen (Aberdeen, 1855), 11Google Scholar; Simpson, James and Newlands, James, Liverpool Water Supply (Liverpool, 1849), 10, 34, 48–50Google Scholar. For Rawlinson, see The Times, 2 June 1898, 6.