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A chain pump is a type of water pump that uses a chain to move water from one place to another. It works on the principle of a continuous loop of chain moving through a series of sprockets, with attached buckets that lift water as the chain passes over the top sprocket and discharge it as the chain reaches the bottom.
According to F. Lisheng and T. Qingjun, the hand-crank of the rotary quern was different from a crank, which was the combination of a hand-crank and a push-and-pull connecting rod by a hinge. [7] The Antikythera mechanism, dated to around 200 BC, [25] [26] used a crank as a part of its mechanism. [27]
This was Brush's idea intended to make them safer for a right-handed person to crank-start by hand. Prior to the invention of the electric starter , crank-starting a clockwise-running engines frequently resulted in dislocated thumbs and broken forearms if the hand crank kicked back on starting.
The bilge pump was an improvement on the first hydraulic pumps used in antiquity: force pumps. Invented around the early 3rd century BCE, the most primitive design of a force pump consisted of a piston pushing water out of a tube, constructed by soldering individual bronze elements (Stein 246).
The Blake and Knowles Steam Pump Company National Register District encompasses the historical industrial complex of the Blake and Knowles Steam Pump Company and its successor, the Worthington Pump and Machinery Corporation in East Cambridge, Massachusetts. It is located in a one-block area surrounded by Third, Rogers, Binney, and Fifth Streets.
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