Mellor and Whaley

Engineers of Manchester.
1863 Messrs. Mellor and Whaley, of Manchester, invented a means of communicating motion to the slide valves of steam hammers and other engines driven by means of a screw which passes through a nut formed in the piston, so that as the piston moves up and down or to nod fro in the cylinder the screw is turned round in the opposite directions.
Patent petition by William Mellor, of Ardwick, in the city of Manchester, and William Whaley, of Rainow, in the county of Chester, Tool Makers, who have given the notice in respect of the invention of "improvements in steam hammers and other engines driven by steam."[1]
1870 Dissolution of the Partnership between William Mellor and William Whaley, Machine and Tool Makers, and carried on at Rainow, in the county of Chester, under the style or firm of William Mellor and Company. All debts due and owing to or by the said concern will be received and paid by William Mellor.[2]