Railroad grade

Definition and stakes

The Great Events by Famous Historians…

“ The steepest grade on a railroad doing a miscellaneous transportation business climbed by a locomotive relying on adhesion only is on the Leopoldina system in Brazil between Bocca do Monte and Theodoso, where there is a stretch of 8-1/3 per cent. grade with curves of 130 feet radius. There are some logging roads in the United States with grades of 16 per cent. How trifling this seems when compared with the feat of a Thomas car which climbed Fillmore Street, San Francisco, which is alleged to have a gradient of 34 per cent., with twenty-three persons on board. As 25 per cent. ”
Source: Gutenberg

Edward Hungerford,  The Modern Railroad

“ The new railroad has probably popularized itself from the outset by hiring the near-by farmers and their teams to grade the line through their localities, particularly where an almost level country makes the grading a slight matter. Sometimes in level country, grading machines, drawn by horses, or by traction engines, have been used to advantage. ”
Source: Gutenberg

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