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of Watford Iron Works, Watford.
c.1827 Business established (based on entry for Watford Engineering Works )
1837 Partnership change. '... the Partnership between George Tidcombe, George Strudwick, and Henry Brewer, of Watford, in the county of Hertford, Millwrights and Engineers, was this day dissolved, by mutual consent, as far as regards Henry Brewer...'
Built paper-making machines for Russia and France
1860 Pulp regulator for paper manufacture described and illustrated 
1862 Exhibited paper cutting machine
1865 Steam pumping machinery for sewage and semi-fluids described and illustrated in The Practical Mechanic's Journal, February 1865.
1869-75 A number of patents issued to George Tidcombe, the younger.
1881 Partnership dissolved. '... the. Partnership heretofore subsisting between us the undersigned, George Tidcombe and George Tidcombe the younger, lately carrying on business as Millwrights, Engineers, and Founders, at Watford, in the county of Herts, under the style or firm of Geo. Tidcombe and Son, has been dissolved, by mutual consent, as from the 30th day of Jane last, the said George Tidcombe retiring from the business in favour of his son, the said 'George Tidcombe the younger, by whom the business will be continued...'
1885 Works bought by Henry John Rogers