1800 Mechanical Movements, Devices and Appliances easy-to-make paper snowflakes

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1800 Mechanical Movements, Devices and Appliances easy-to-make paper snowflakesA fascinating compendium of early twentieth century mechanical devices, this wide ranging work covers a variety of applications. More than 1,800 engravings ranging from simple diagrams to detailed cross sections illustrate the workings of each item, from simple hooks and levers to complex machinery used in steam, motive, hydraulic, air, and electric power, navigation, gearing, clocks, mining, construction, and more. Compiled as a ready reference for