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of Atlas Ironworks, Blackburn, Engineers and Ironfounders, maker of Stationary engines.
Their engines sometimes bore the name 'Clayton & Goodfellow'
1859 William Clayton and Jacob Goodfellow patented "improvement in pistons for pumps".
1876 Compound engine for Withnell Paper Mill Co Ltd. Cylinders 17" & 30" x 4 ft stroke. 50 rpm. 
1879 'On Tuesday a new tandem engine was started at Spring Vale Paper Works, Darwen, belonging to the Darwen Paper Mill Co., Limited. The engine has been constructed by Messrs. Clayton, Goodfellow, and Co., of Blackburn, and is a fine specimen of its class. It is on the compound principle, having two steam cylinders, one for high pressure, 21-inch diameter, and one for low pressure, 35-inch diameter. Each has a 4 ft. 6 inch stroke, and the working speed is 45 to 50 strokes per minute. It is also fitted with a horizontal double acting air pump and other modern improvements, and altogether reflects great credit upon the makers. The power is taken from the engine by means of a large India rubber belt measuring 36 inches wide, supplied by Messrs. Entwistle and Nutter, Darwen, and is without doubt the largest in the neighbourhood, and gives entire satisfaction. The main driving drum on the crank shaft is 20 feet diameter, and the drum on second motion shaft is 10 feet diameter. The engine is intended to drive the whole of the washing engines, besides the chopping and other preparations, and appears to work exceedingly well. 
1889 Pair of beam engines for Fielden Brothers' Waterside Mill. Flywheel 27 ft diameter, weight 60 tons. Internal steel gear ring on flywheel rim, the gear segments made by Jessop of Sheffield. 26.5 rpm. Anti-overspeedin device fitted, designed by a Mr Moore of Burnlye, but not patented. 'The millwright work has been entrusted to a local firm — Messrs Jonathan Barker and Sons, Phoenix Ironworks, Millwood - have been carried out in a most substantial and durable manner, and has given the owners every satisfaction The main driving shafts — on one hand to the old shed and on the other to the new — are 7in. in diameter, made of Whitworth fluid compressed steel, and are geared into the fly wheel with cast steel pinions. A pair of large steel bevel wheels has been fixed to drive the new shed, the rest of the gearing in that part of the premises needing no change. The turning power for the old shed is entirely new. At the end of the main shaft, against the outer face of the wall of the old shed is another pair of steel bevel wheels, driving a line shaft 6 1/2 inches diameter, and coupled to this shaft are 18 pairs of smaller bevel wheels driving as many cross shafts running the whole length of the loomshed, and all working like the main shaft in self-lubricating pedestals. From these cross-shafts the looms will be turned, and all wheels have Gee's teeth.
The works were set in full operation yesterday (Thursday), at 8.40, and are working very satisfactorily.'  Newsletter - Friday 22 November 1889 </ref>
The engines were photographed by George Watkins in 1936. He recorded the cylinder diameters as 28" and 50", 7 ft stroke. He recorded that it was the quietest gear drive of the power he'd ever met. 
1894 165 HP cross compound horizontal engine for Clayton Street Mills, Blackburn. 
1922 Manufactured "Corliss" and "Uniflow" engines up to 2,000 I.H.P.; heavy gearing for power transmission; machine and pattern moulded gear-wheels fly rope pulleys and fly spur wheels; iron castings up to 20 tons.