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        Historic air pumps, published in 1877 | Industrial Revolution

        Historic air pumps: 1) Hand pump, 2+3) Piston from the Hand pump, ground plot and elevation, 4) Double piston pump, cross section, 5) Piston valve from the double piston pump, 6) Spigot by Wolferdus Senguerdius, cross section, 7+8) Spigot by Jacques Babinet, cross section, 9) Air pump with two cylinders, 10) Abbreviated barometer, 11) Double-acting air pump by Bianchi, 12) Mercury Displacement Pump by Heinrich Geissler, 13) Air Suction Pump by Robert Wilhelm Bunsen. Woodcut engraving, published in 1877.

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