Hero's Fountain

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“It consists of a brass dish A and two glass globes B and C. The dish communicates with the lower part of the globe C by means of a long tube D, and another tube E connects the two globes. A third tube passes through the dish A to the lower part of the globe B. This last tube being taken out, the globe B is partially filled with water, the tube is then replaced, and water is poured into the dish. The water flows through tube D into the lower globe, and expels the air, which is forced into the upper globe. The air thus compressed acts on the water and makes it jet out as represented in the figure.” — Hallock, 1905


V. I. Hallock I.C.S. Refrence Library (Scranton: International Textbook Company, 1905)


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