1851 Great Exhibition: Official Catalogue: Class IX.: Key and Mitchel
237. KEY and MITCHEL, 103 Newgate Street — Proprietors or Agents.
Patent American churn (English) by Charles James Anthony, of Pittsburgh, U. S.; the improvement consists in the arrangement of apparatus so as to introduce a larger quantity of air into the cream or milk.
Kase's force and suction pumps. The valves are so arranged, as to prevent them from being choked; and, if occasion should require, a common blacksmith could replace them.
Patent double-acting turnip-cutter, for cutting turnips, mangold wurzel, etc., as food for cattle or sheep; also applicable for cutting chicory; the knives with the greatest cutting surface. (See fig)
Hose for liquid manure, fire-engines, and shipping purposes, made of canvas, lined and coated with gutta percha.
Registered union joint, for connecting lengths of hose, made of gutta percha.
Lift pump, made entirely of gutta percha, for acids, liquid manure, etc.; manufactured by the Gutta Percha Company.
Davy's patent India-rubber elastic and water-proof saddles and collars; the former affording a firm seat to the rider on an elastic material; the latter, as well as the former, protecting horses from being wrung in the shoulders, back, withers, etc.
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