CRT/SUTCLIFFE
Images and diagram showing the Sutcliffe Sounding Wheel
Description
Images of Manchester Ship Canal launch 'Una II' showing the 'Sutcliffe Sounding Wheel' in use off Irlam Ferry with diagram showing the working principle of this surveying equipment
Date
c1969
Reference code
CRT/SUTCLIFFE
Extent & medium
6 b&w photographic prints and 1x A4 sheet
Associated material
Objects 973.246 and c836
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