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Source contains "Report to the Commissioners for the improvement of the road form London to Holyhead"
Issue: 091, 22/07/29 p. 462-463
Heading: Telford`s System of Road-Making
Category: Engineering Roads
Topic: [Experiment conducted by Telford on a section of London road, North of the Highgate archway. It proves that a road needs a strong stone pavement beneath, or a layer of Parker`s cement and gravel with a coat of Hartshill stone, to keep the surface layer from wearing down]
Person: TELFORD, Thomas
Source: Report to the Commissioners for the improvement of the road form London to Holyhead
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