1851 Great Exhibition: Official Catalogue: Class V.: R. and W. Hawthorn
536. HAWTHORN, R. and W., Newcastle-upon-Tyne — Manufacturers.
First-class patent passenger locomotive engine. The weight of the engine is distributed more uniformly than usual upon the wheels and axles. The slide-valves are relieved from the extreme pressure of steam, and the link motion, together with the action of the slide-valves, is improved.
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