Ferguson's Combined Mechanical Powers Demonstration Apparatus
W. & S. Jones, circa 1800
signed W. & S. JONES 30 Holborn London, arm with twelve notches for weights, attaches to steel axis with screw for turning brass cogged wheel, a system of pulleys to support the 72 oz. weight, supported on tall lacquered brass column, the base with three screw feet with six small weights in fitted case with two brass handles, label to front Ferguson's M. Powers Combined
20¼ x 8¼ x 3¼in. (51.5 x 21 x 8.5cm.)
Ferguson's Combined Mechanical Powers Demonstration Apparatus
W. & S. Jones, circa 1800
signed W. & S. JONES 30 Holborn London, arm with twelve notches for weights, attaches to steel axis with screw for turning brass cogged wheel, a system of pulleys to support the 72 oz. weight, supported on tall lacquered brass column, the base with three screw feet with six small weights in fitted case with two brass handles, label to front Ferguson's M. Powers Combined
20¼ x 8¼ x 3¼in. (51.5 x 21 x 8.5cm.)
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