Summary
ONE of Lord Armstrong's great secrets at the world-famous Cragside Estate will be revealed this week. Conservationists will empty the estate's 'basin tank' reservoir for the first time ever in order to study its design and answer questions going back over 100 years.
Lord Armstrong invented the concept of hydro-electric power at his 1,700-acre north Northumberland estate in the latter years of the 19th century.See the full content of this document
Extract
Armstrong Invention Set to Release Its Secrets
Through a complicated pipe system considered revolutiona...
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