River, Railway and Ravine: Foot Suspension Bridges for Empire - Douglas Harper - Books - The History Press Ltd - 9780750962131 - September 8, 2015
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Douglas Harper
River, Railway and Ravine: Foot Suspension Bridges for Empire

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From their mid-nineteenth-century fencing business the Harpers of Aberdeen developed a unique system of suspension that allowed their light foot suspension bridges to be relatively rigid. The Harpers’ innovative work overcame the disadvantages of this type of bridge and was of considerable benefit to those who relied upon them.

168 pages, 140 colour illustrations

Media Books     Hardcover Book   (Book with hard spine and cover)
Released September 8, 2015
ISBN13 9780750962131
Publishers The History Press Ltd
Pages 168
Dimensions 257 × 235 × 20 mm   ·   996 g

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