Warsop and Hill
of Nottingham
1887 Description and ilustrations of Warsop's carpet cleaning machine, the invention of T. and A. S. Warsop. It used jets of compressed air. 'A new plant for cleaning carpets under this process has recently been put down by the Manchester Pneumatic Carpet Cleaning Company, Richardson-street Works, Rochdale-road, Manchester, and is now in full and successful operation. This machinery, which includes an air compressor having an air cylinder 16 1/2 in. in diameter, has been designed, and is being introduced by H. Walker Hill, C.E., of Hampden-street, Nottingham.'[1]