Carbonic acid in medicine / by Achilles Rose, M.D. ; with the portraits of van Helmont, Priestley and Lavoisier.

  • Achilles Rose
Date:
1905
Catalogue details

Licence: Public Domain Mark

Credit: Carbonic acid in medicine / by Achilles Rose, M.D. ; with the portraits of van Helmont, Priestley and Lavoisier. Source: Wellcome Collection.

Provider: This material has been provided by the Francis A. Countway Library of Medicine, through the Medical Heritage Library. The original may be consulted at the Francis A. Countway Library of Medicine, Harvard Medical School.

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    dififerent points it rises in the form of jets of dry gas. One of these springs—the so-called Polterbrunnen, renowned for centuries—sur- passes in regard to the amount of contained gas all springs of this kind in the world. There the gas comes out of the ground w^ith great force and a great deal of noise (w^hence the name Polterbrunnen). The gas is caught in a wooden receptacle and conducted from this vessel by means of a metallic pipe to the gas bath-house erected over the Polterbrunnen. It is astonishing with how great force the gas is expelled constantly day and night in ever- equal volumes; this spring, Polterbrunnen, pro- ducing every minute 4 cubic feet, that is, in t\venty-four hours 5,760 cubic feet, making 2,102,400 cubic feet of gas every year. Yet, immense as is this amount, it is only a small part of the immeasurable quantity which arises daily from the many thousand larger and smaller gas-springs of the extensive moor layer of Franzensbad. In the bath-house over the Polterbrunnen there are common baths for a number of bath- [70]