1851 Great Exhibition: Official Catalogue: Class VIII.: William Thomas Mumford
From Graces Guide
144 MUMFORD, WILLIAM THOMAS, 19 Edward Street, Deptford — Inventor.
A model of the paddle-box of a steam frigate of 600 horse-power, with wheel and paddle-box boat, illustrating a plan for shipping and unshipping the boat. The machinery consists of two straight davits, 8 feet 6 inches long, and two vertical stanchions, 11 feet 6 inches long, blocks and rigging, by the application of which the boat may be hoisted on or off with facility.
Model of a gun-carriage for working a gun at a bow, broadside, or stern-port; it can be used with ease when the ship's bow or stern flares out at an angle of 25 degrees, and when wanted at a broadside port, the fore trucks can be fixed, and the slides removed immediately.
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