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See also Richard Cunliffe
Cunliffe and Croom were best known as machine tool makers. Their machines included lathes, boring machines, milling machines, planing machines, shaping machines, gear-cutting machines.
The address was given as Manchester, they were actually located in neighbouring Salford, at Broughton Iron Works on Edward Street, Broughton. Broughton Iron Works was established by 1873.
1876 'LOCAL BANKRUPTCY CASE RE CHRISTIAN HARRY LANGE.
At the London Bankruptcy Court yesterday an application was made to the court, at the instance of Messrs. Cunliffe and Croom, of Salford, machine tool makers, for the appointment of a receiver to the estate of this debtor, who carries on business at Wilson-street, Gray's Inn-lane, as lathe and tool maker. It appeared that the debtor had filed a petition for the liquidation of his affairs, but the proceedings had fallen through, and he had been subsequently adjudicated bankrupt on the petition of Messrs. Cunliffe and Croom, and Mr. Langdon, from the firm of Messrs. Pritchard and Englefield, now applied to the court to appoint a receiver under the bankruptcy.— In reply to a question from the learned Registrar, Mr. Langdon stated that the bankrupt offered no opposition to the motion. His Honour accordingly appointed Mr. Croom, of Manchester, to the office; and also restrained two suing creditors from executing judgments obtained by them.'
1878 Advert: 'Bicycles, quadricycles. Large STOCK of best material and high-class workmanship.— CUNLIFFE & CROOM, Broughton Iron Works, Edward-street, Broughton-lane. Repairs quickly QUADRICYCLE 
1880 Advert: 'BICYCLES. — Large Stock of the best material and workmanship at wholesale prices; several Salvo Quadricycles ON SALE; repairs quickly executed.— CUNLIFFE & CROOM, Edward-street, Broughton-lane.'
By the 1940s they had a foundry at Wilton Iron Works, Wilton Street, Denton, Manchester
By 1953 the company was a wholly-owned subsidiary of James Archdale and Co Ltd
1960s Producing well-designed and constructed milling machines for general workshop use.