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Earnshaw and Holt of Canal Side Boiler and Engineering Works, Rochdale
Also Earnshaw, Barlow and Holt
1874 Advert: 'MOSS BRIDGE BOILER WORKS, CRAWFORD-STREET. J. & W. BARLOW (Late Earnshaw, Barlow, & Holt), Having built New and Extensive Premises, are prepared to execute all Orders entrusted to them with promptness and despatch. J. & W. BARLOW.' 
1886 Partnership dissolved. '... the Partnership heretofore subsisting between us the undersigned Edward Earnshaw and Thomas Stephen Holt, carrying on business as Boiler Makers and Engineers, at Oldham road, Rochdale, in the county of Lancaster, under the style or firm of Earnshaw and Holt, has been this day dissolved by mutual consent....'
1886 Works plant and equipment advertised for sale 
Extract of an 1872 advert: 'ALL that WEAVING SHED or MILL, situate in Bunyan-street, in Rochdale aforesaid, and known as "Elliott-street Mill," .... The Steam Engine is horizontal high pressure of 12-horse power, by Earnshaw, Barlow, and Holt. The Boiler is 28-horse power, by David Howarth, of Rochdale, and is 21 foot by 6 feet 6 inches.'
Extract of an 1898 advert: 'Lanebottom Hair Refining Works, Walsden, near Todmorden. TO BE SOLD BY AUCTION, by Messsrs. J. GLEDHILL & SON (under instructions from the Exors. of the late Mr. J. W. Schofield), on the above premises, on the 20th day of Aprxl, 1898, all those substantial STONE-BUILT PREMISES known as “Lanebottom Hair Refining Works,” situate Walsden, near Todmorden; together with the single-flued Steam Boiler, 21ft. long 4ft tin. diameter; Steam Engine. 14 h.p., by Earnshaw, Barlow and Holt; Shafting, Gearing, &c., complete.'