Both carbonic acid and its relative, carbon monoxide, were often wrongly blamed for the “gassing” of people in wells and excavations, said Dr. It. 11. Makgill in a lecture under the auspices of the Auckland Institute. The I rouble, he explained, was (file lo “black damp, otherwise air from which most oi the oxygen had been absorbed by conversion into carbonic acid. The latter made up anything from 5 to 20 per cent ol the mixture, the remainder being nitrogen. A similar result was often produced by the. oxidation (if the linseed oil in new paint applied to the insides of ship’s tanks, and even by the oxidation ol oily ipalter in cheese stored in ill-ventilated hold-'i-
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Poverty Bay Herald, Volume LXIII, Issue 19028, 30 May 1936, Page 15
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117Untitled Poverty Bay Herald, Volume LXIII, Issue 19028, 30 May 1936, Page 15
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