. Barometric pressure : researches in experimental physiology. Atmospheric pressure; Physiology, Comparative; Anoxemia; Altitude, Influence of. Gases of the Blood 595 diameter, which gives them a capacity of about cubic meters: I say "about" because of the convex dome which tops them. They are suitably lighted by glass portholes as seen in the figure. The doors opening outward and resting on rubber gaskets close quite tightly, atmospheric pressure tending to fit them more closely to the gaskets as the pressure within diminishes. An exterior manometer, a sort of barometric tube
. Barometric pressure : researches in experimental physiology. Atmospheric pressure; Physiology, Comparative; Anoxemia; Altitude, Influence of. Gases of the Blood 595 diameter, which gives them a capacity of about cubic meters: I say "about" because of the convex dome which tops them. They are suitably lighted by glass portholes as seen in the figure. The doors opening outward and resting on rubber gaskets close quite tightly, atmospheric pressure tending to fit them more closely to the gaskets as the pressure within diminishes. An exterior manometer, a sort of barometric tube whose chamber communicates. Fig. 27—Large apparatus for the study of low pressures. A. A'. Cylinders of riveted sheetiron, with glass portholes. B. Cylinder in which the pressure can previously be lowered to 5 centimeters, so as to obtain a rapid decompression in the large cylinders. C. Large glass bell-jar in which an instantaneous decompression can be made by using cylinder B. R. R'. Cocks which communicate each with one of the cylinders A and A', which are separated by an inner door, shown by the dotted line. p. Communication cock for C; r, r', d, d'; s, s', s", openings and cocks for taking air samples, extracting blood, etc. a, a'. Thermometers, m, m'. Manometers. with one of the two large reservoirs, indicates immediately the amount of the inner decompression; thermometers pass through the wall. The pressure is diminished by a pump moved, in the beginning, by a little steam engine, as the figure shows. I replaced it by a gas motor of the Lenoir system, a machine much easier to handle in a laboratory, and better adapted to tasks which one must under- take and leave according to circumstances over which one has no Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Bert, Paul, 1833-1886; Hit
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