MAKE A MEME View Large Image US11003-1854.png en Shows rail wheel and rail interaction with inverted U rails 1854-06 Publication number US11003 A Publication type Grant Publication date Jun 6 1854 Inventors Henry R Campbell other versions PD-USGov Inventors from the ...
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Keywords: US11003-1854.png en Shows rail wheel and rail interaction with inverted U rails 1854-06 Publication number US11003 A Publication type Grant Publication date Jun 6 1854 Inventors Henry R Campbell other versions PD-USGov Inventors from the United States Rail tracks Civil engineering in the United States
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