Lawson and Mansergh
Westminster engineers.
1862 John Lawson took over the business of Mr. Rawlinson on his retirement from active private practice.
1866 Lawson took his brother-in-law, James Mansergh, into partnership at Westminster as Lawson and Mansergh; their first work was being the laying out of a gravitation scheme of water supply for Carlisle. The partners designed and carried out either sewerage or waterworks schemes or both at twenty-five towns in England before Mr. Lawson's death in 1873.[1]
After Mr. Lawson’s death, Walter Halsted Cortis Stanford acted as chief assistant in the office, and in that capacity was connected with the following works, viz., the main sewerage or sewage disposal works of Bedford, Tunbridge Wells, Bishops Stortford, Barnet, Middlesborough, Clevedon, Reading, Lincoln, Chesham, Southport, Southborough, Gloucester, Grantham, St. Albans, Beckenham, Bracebridge, Bethesda, Waltham, Burton-on-Trent, &c., and the water-works of Rotherham, Chesham, Uxbridge, Sandringham, Singapore, Lancaster, Sherborne, Gloucester, Dorking, Stockton and Middlesborough, Mountain Ash, &c. He also assisted in the surveys and reports for a large number of other schemes for sewerage and water, including York, Derby, Rotherham, Abingdon, Malvern, Staines, Lower Thames Valley towns from Hampton to Barnes, North-West London and Lee Valley scheme; also in work connected with the preparation of evidence for the arbitration between the Thames Conservators and Metropolitan Board as to mud banks at the sewer outfalls, for Lord Bramwell's Commission, and for many Parliamentary and Local Government Board enquiries.[2]