1851 Great Exhibition: Official Catalogue: Class VII.: William Townley
39. TOWNLEY, WILLIAM, 99 Holborn Hill — Inventor.
Specimens of machinery, etc., accompanied by a model of the surface or superstructure of London Bridge, upon a scale of three-quarters of an inch to the foot; and working models illustrative of a new system for washing and watering streets, lanes, courts, alleys, etc. (With Classes 5 4. 6.)
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