Copy of the specification of a patent, granted to Benjamin Thompson, of Ayton Cottage, in the county of Durham, gentleman for his invention of "a method of facilitating the conveyance of carriages along iron and wood railways, tram-ways, and other roads," dated the 24th day of October, 1821, specification enrolled the 14th day of December : with remarks thereon by the patentee, and the result of a trial of the invention, &c. &c.
Printed by J. & R. Akenhead,
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