Turnbull, Grant and Jack
of Port Dundas, Glasgow
Maker of stationary engines. 
1878. 'The Business of Turnbull, Grant, and Jack, Engineers, Millwrights, Boiler Makers, and Founders, in Glasgow, has been, since the 13th day of December, 1878, and continues to be, carried on by the Subscribers, as the sole Partners. Glasgow, 23rd September, 1878. John Turnbull. R. R. Grant. Henry Jack.'
1870s Supplied 2 McNaught compound condensing beam engines for the John's Lane distillery in Dublin.
1877 John Turnbull, Junior set up his own consulting business.
1881 Supplied reversing engines, mill and shear machines for Colville's Dalzell Works.
1887 Supplied cross-compound horizontal mill engine for Locke's distillery.
By 1889 had been succeeded by Turnbull, Grant and Co
Sources of Information
- Stationary Steam Engines of Great Britain by George Watkins. Vol 10
- The London Gazette Publication date:1 October 1878 Issue:24629 Page:5396
- The London Gazette Publication date:3 September 1880 Issue:24879 Page:4773