James Hall Nasmyth (1808-1890) was a Scottish engineer. In 1836, he and his business partner Holbrook Gaskell opened the Bridgewater Foundry, where they produced a wide range of machine tools in large numbers. In 1842 Nasmyth patented this steam hammer. A key feature of his machine was that the operator controlled the force of each blow. He enjoyed demonstrating how it could first break an egg placed in a wine glass, without breaking the glass, which was followed by a full-force blow which shook the building. He applied the principle of his steam hammer to a pile-driving machine which he invented in 1843. Another innovation was a hydraulic press which used water pressure to force tight-fitting machine parts together. All of these machines became popular in manufacturing, and all are still in use in modified form. dated 1877. | |
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