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John Macmillan Dunlop (1818-1878), Engineer, of Manchester, and a Director of a variety of limited companies including the Western Australia Cotton Co, the Parkgate Iron Co, Hooper's Telegraph Works, Sidmouth Railway Co, the British and Foreign Tramways Co, the Bessemer Saloon Steamboat Co, Wayne's Merthyr Steam Coal and Iron Co.
1818 Born in Huddersfield, son of Robert Dunlop, a wool merchant, and his wife Jess
Went into partnership with Richard Birley, Thomas Hornby Birley the younger, Duncan Matheson as cotton spinners, and also as engineers and machine makers, as J. M. Dunlop and Co, makers of india rubber and cotton machinery
1857 Joined I Mech E; of Marlborough Street, Oxford Street, Manchester.
1858 Partnership dissolved between Richard Birley and John M Dunlop, Manchester, cotton spinners and machine makers - the Cotton Spinners and Manufacturers were under the style or firm of Richard Birley and Co, and the Engineers and Machine Makers, under the style or firm of J. M. Dunlop and Co.
1861 An engineer living in Chorlton upon Medlock with Ellen Ade Dunlop 30, Robert M Dunlop 4
1862 Reference to the Indian Churka cotton gin being improved by John Dunlop and by Platt Brothers and Co (separately) and exhibited at the British Association meeting. The machines were described as 'wonderful improvements on the old churka. He noticed the destruction of fibre and the waste occasioned by the American saw gins.' Dunlop's roller gin had been influenced by the American Macarthey gin.. See also John M. Dunlop and Co for discussion of Dunlop's roller gin.
1867 John Macmillan Dunlop, of Hole Hird, in the county of Westmoreland, Esq., leased to Francis William Crossley and William John Crossley, both of the city of Manchester, Engineers and Machine Makers, the machine making works, buildings, and land situate in Great Marlborough-street, in Manchester, and all and every steam engine, steam boiler, main gearing, gas and other apparatus, fixed machinery, fixed tools, and other fixtures ... the said works and premises.
1867 Advert: 'To Wallers, Contractors, and others. PERSONS desirous of Contracting for the several Works required in the Erection of a HOUSE at HOLEHIRD, WINDERMERE, for John M. Dunlop, Esq., may see the Drawings and Specifications at the present house there on and after Friday, the 13th September next, and until the end of the month, between the hours of Ten a.m. and Five p.m. Sealed Tenders to be sent to the Architect, Mr. Crowther, No. 28, Brazen Nose Street, Manchester, on or before October 1st, 1867. It is to be distinctly understood that the lowest Tender will not necessarily be accepted'.
c.1867 His wife died
1871 Landowner, living in Appelthwaite, Westmorland, with Robert M Dunlop 13, Arthur B Dunlop 9, John M Dunlop 8, Colin B Dunlop 6
1878 Died in Kendal
1879 Obituary 
JOHN MACMILLAN DUNLOP was born at Huddersfield in 1818.
In the early part of his life he was engaged in engineering at Manchester under the late Mr. Bodmer, and afterwards started business there as a machinist. During his business career he introduced several inventions in india-rubber machinery.
About 1866 he removed to Holehird, Windermere, where he died on 24th August 1878, at the age of sixty.
He became a Member of the Institution in 1857.