Patent Model - Instantaneous Governor for Steam-Engines, &c
Maker and role
Wm. Mead (b.1829, d.1861), Patentee
May 27 1856
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Brass, wood, iron
10 1/2 x 11 x 7" (26.7 x 27.9 x 17.8cm)
Mead's invention "consists in a novel mode of combining a centrifugal governor or fly with a throttle valve or cut off whereby the movement of the inertia of the said governor or fly will act upon the valve in such a way that any tendency toward increased speed of the engine will cause the supply of steam to be diminished and vice versa." (Patent Number 14,967)
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