1851 Great Exhibition: Official Catalogue: Class VII.: Simon Frederick Every
120. EVERY, SIMON FREDERICK, Quorndon, near Derby — Inventor and Manufacturer.
Patent Vulcan chimney-sweeper.
Circular and oblong chimney-sweeping machines.
Oblong self-adjusting machine, for sweeping difficult chimneys.
Full-sized drawing, representing one of these machines in action.
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