"James Boydell (died January 1860) was a British inventor of steam traction engines. His most significant invention was the first practical track-laying vehicle, for which he received British patents in August 1846 and February 1854."@en . . . . . . . . . . . . . . "James Boydell (died January 1860) was a British inventor of steam traction engines. His most significant invention was the first practical track-laying vehicle, for which he received British patents in August 1846 and February 1854."@en . "2098"^^ . . . . . . . . . . . . . . . . . . . . . . . . . "30612973"^^ . . "1066216803"^^ . . . . . . "James Boydell"@en . . . . . . . . . . . .