Found on an ebay listing Haldane’s equalizing arrangement used in testing mine safety equipment Size was noted as 20 cm wide, 27 cm tall, 2.6 kg
alexandra rapaport nudelily onlyfans best porn for females
The dial indicates it was made in paris, france.
Handbuch der physiologischen methodik, by robert tigerstedt, published by verlag von s
Hirzel, leipzig, 1908, page 32 Described as manufactured (assembled?) by hanriot and richet It measured exhaled air volume but also had the ability to take samples of exhaled air for later gas analysis 1900s, gas meter, photograph, uncategorized
Apache/2.4.38 (debian) server at pftforum.com port 80 In this way similar inspiratory o2 pressures were attained for the three levels of oxygenation at both altitudes (about 80, 150 and 400 mm hg, respectively. Probably manufactured in the 1980’s Pescher’s spiroscope was primarily a device for exercising the lungs by moving water from the upper chamber to the lower
In this case, the amount of water that could be moved was used to diagnose the extent of a disease, most likely anemia from malaria
From bulletins de la société de pathologie exotique et de ses filiales de l’ouest africain et de madagascar, 1930, tome 23, page.
