The North Bridge

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The North Bridge in Edinburgh
John Elphinstone, Fifteen Views of the Most Remarkable Buildings of the City of Edinburgh (Edinburgh, c. 1783), 11.
[click on the picture to enlarge it]

The North Bridge was described by the Reverend Stebbing Shaw

James Craig’s plan involved linking the Old Town and the New Town by a bridge, which he first planned as having a slope of 1 foot in 16.

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The engineer’s problem

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The North Bridge in Edinburgh


Type a number representing a vertical difference in level between two points, then click on “calculation”; the corresponding horizontal distance will appear to the right.




Drag the coach with your mouse and the number of feet it has covered will appear in the frames below