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William Ayrton and Co of Gorebrook Ironworks, Longsight, Manchester
1870 Company founded.
1891 'NOTICE is hereby given, that the PARTNERSHIP heretofore subsisting between us the undersigned JAMES WHALEY SHEPHERD and WILLIAM AYRTON, carrying on business at the Gorebrook Ironworks, Longsight, near Manchester, as engineers, toolmakers, and machinists, under the style or firm of "Shepherd and Ayrton," was dissolved as and from the 31st day of October 1890. All debtors due to or owing the late partnership" firm will received and paid by the said William Ayrton, who will carry the business his own account, under the. style or firm of Wm. Ayrton and Co. — Dated this sixth day of January, 1891. J. W. SHEPHERD. WM. AYRTON.'
1929 Private company.
1936 Balling machines, card winders and thread spooling machines. 
1961 Manufacturers of textile winding machinery.