Grace's Guide is the leading source of historical information on industry and manufacturing in Britain. This web publication contains 145,363 pages of information and 230,731 images on early companies, their products and the people who designed and built them.
of Dumbarton
1909 MacLaren Brothers built a steel vessel for Mavor and Coulson to demonstrate their electrical propulsion system[1]
1910 Alexander Pearson MacLaren, Frank Logan MacLaren, and Henry Borland MacLaren were joint patentees on a patent relating to improvements in motor boats
1920 Showed four-cylinder paraffin engine at 1920 Motor Boat and Marine and Stationary Engine Exhibition[2]
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