Diagram of a Humphrey pump at the King George V Reservoir, Chingford, from 'Inauguration of the Chingford Reservoir', Metropolitan Water Board (1913).
Title page of presentation copy of 'Inauguration of the Chingford Reservoir', Metropolitan Water Board (1913). At top is an inscription to Walthamstow Public Library, from W Tyler, member of the Water Board for Walthamstow.
Extract from description of the Humphrey pumps at the King George V Reservoir, Chingford, from 'Inauguration of the Chingford Reservoir', Metropolitan Water Board (1913).
Humphrey pumps at King George V Reservoir, Chingford: diagram & extract of description from 'Inauguration of the Chingford Reservoir', Metropolitan Water Board, 1913. H A Humphrey's 1909 design won two Grands Prix at the Brussels Exhibition 1910. @arascot.bsky.social #ArchiveTechnology #Archive30