Illustrations of the theory and practice of ventilation : with remarks on warming, exclusive lighting, and the communication of sound (1844)
Reid, D. B. (David Boswell), 1805-1863 · London : Longman, Brown, Green, & Longmans · leaf 93
nces, no dependencecould be placed upon the result. The more precise method ofproceeding, and one well adapted for schools, churches, andcrowded assemblies, consists in employing a carbonometer, if itbe desired to have at all times the means of ascertaining thecondition of the air. 114. The… … small glass attached to the upper part, the water being permit-ted to descend by its own gravity, on opening the intermediatestop-cock. And as the stop-cock is opened only so as to ad-mit the water to escape drop by drop, the carbonic acid actsfreely on the chemical agent in solution in the small…
