River, Railway and Ravine by Douglas Harper - Reviewed by Duncan Harley
At 164pp and profusely illustrated, Douglas Harper’s book examines both the provenance and the history
of the patented, made in Aberdeen, Harper and Co rigid suspension bridge.
Until now little documented, the Harper bridges were among the first
suspension bridge designs - not to be confused with the “Shakkin’ Briggies”
well known in the NE - to employ steel wire rope in order to form a relatively rigid
and therefore highly functional bridge.
Harpers manufactured over sixty such bridges for export throughout the
British Empire between 1870 and 1910. Douglas, a direct descendant of the
original bridge engineers, has spent over a decade researching the company’s
innovative designs and seeking out surviving examples.
The mid 19thC was a period of rapid industrial growth both in
the north east of Scotland and throughout the British Empire. The boom times of railway expansion had
opened up new markets and stimulated engineering innovation on a scale rarely
seen before.
From humble beginnings supplying the likes of the Great North of
Scotland Railway’s seemingly insatiable demand for cast iron fence posts and
level-crossing gates, Harpers’ were soon exporting caste-iron pre-fabricated pedestrian
suspension bridges right across the globe.
Engineered and manufactured in kit form at their Aberdeen foundry and
using innovative techniques gleaned from long experience in the designing of
fences, Harper’s products required little local engineering expertise to either
assemble or construct, making them popular choices in developing countries. These
instantly recognisable and iconic bridges – with spans of up to 91m – provided many
decades of service in places as diverse as Nepal, South Africa and even the
Falkland Islands.
In his book Douglas details over 60 of Harper’s bridges including those
erected in the UK, throughout the Empire and also in Estonia. Several are, he
writes, still in use including one on the River Muick at Birkhall and another
on the River Feugh at Banchory.
This is a well researched and engaging publication and quite literally a
riveting read!
Sources include records held by Aberdeen Maritime Museum, the Harper
Archive at Aberdeen Museum and Robert Gordon University. Written with the
general reader in mind, Gordon’s book will also appeal to engineering
enthusiasts and many historians.
River,
Railway and Ravine is published in hardback by The History Press at £20
ISBN
978-0-7509-6213-1
This review
was first published in Leopard Magazine
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