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1816 - 1817 Located in Back Mill Street, later Lower Mosley Street 
1821-1822 Pigot and Dean’s directory has W & J Crighton at 78 Water Street, Bridge Street, Manchester.
1825 William and John Crighton listed as machine makers, 28 Lower Mosley Street. Home addresses: William at 52 Great Bridgewater Street, John at 1 Chatham Street, Chorlton Row
1839 Death of William Crighton, 69, at his residence, Trafford Place, on 25th February
1841 Directory listings: William and John Crighton, machine makers, iron and brass founders and cotton spinners, 24 Lower Mosley Street, works Gaythorn. John Crighton, machine maker, house Dover Street, Chorlton-on-Medlock; John Crighton Junr, machine maker, house 84 Rosamond Street; William Crighton, machine maker, house: 38 Leaf Street, Hulme; William Crighton, iron founder, house: 96 Rosamond Street 
1842 Advertisement: 'To Iron and Brass Founders, and Others. Valuable Freehold Land, Iron Foundry, Workshops, and other Erections, at Gaythorn, Manchester. Mr. THOS. MAKIN FISHER, (free from duty.) the Adelphi Hotel, in Manchester. …..by order of the major part of the commissioners acting under a fiat in bankruptcy, issued against John Crighton, the elder, a Bankrupt; ……: FIRST, —The Fee-simple and Inheritance of and in all that PLOT of LAND, situate at Gaythorn aforesaid, containing 891 superficial square yards thereabouts, bounded on the northerly end by Hewitt-street: on the easterly side by Finch-street; on the southerly end by land and buildings formerly belonging to Mr. Parker, Horsefield: and on the westerly side land now late belonging to Messrs. Taylor and Baxter.— Together with all those workshops, erections, and buildings thereon lately used by the said John Crighton, as an iron and brass foundry. Secondly.—The fee-simple and inheritance and in all that Plot of Land, situate at Gaythorn aforesaid, immediately adjoining to the last mentioned plot of land, containing 470 superficial square yards or thereabouts.— Together with the erections and buildings thereon, also lately occupied by the said John Crighton. The first-mentioned plot land subject tn a perpetual yearly rent £25 19s. 9d.; and the secondlv-mentioned plot land to perpetual yearly rent of 14s. 2d.; and each plot also subject to the covenants contained in the indentures whereby the said rents respectively are reserved. The property (which will sold in one lot) is in the immediate vicinity of the Rochdale Canal, and is likely to be greatly improved in value by the projected improvements in the neighbourhood. For further particulars apply Mr. JOHN SWALLOW, Market-street, and Mr. PHILIP FRYER. 15. Deansgate, the Assignees; Mr. GEORGE HADFIELD, Solicitor. 38, Fountain-street; or to Messrs. KAY. BARLOW, A ASTON, Solicitors, ......'