Dukes and Briggs Engineering Co
of Ashley Road, Hale, Cheshire
1955 Philip Harold Briggs and Kenneth James Butler invented a device for measuring the speed of yarn, which was patented by the company and British Rayon Research Association
1963 Kenneth Radford invented a rotary flowmeter which was patented by the company
1968 Acquired by Sir W. H. Bailey and Co
1969 Alfred Ian Dukes, Kenneth Radford and Philip Harold Briggs invented a new or improved flow-responsive instrument for use with fluids which was patented by the company (address Urmstron, Manchester).