Grace's Guide is the leading source of historical information on industry and manufacturing in Britain. This web publication contains 147,190 pages of information and 233,425 images on early companies, their products and the people who designed and built them.
of Perseverance Iron Works, Johnstone.
See John Weems
1864 Weems Drying, Cleaning and Cooling Grain, full report and Illustration of page 385 of The Engineer 1864/06/24.
1883 J. and W. Weems, Johnstone, Lead Pipe Making Machinery, report and Illustration, page 281 of The Engineer 1883/10/12.