Encyclopædia Britannica

Encyclopædia Britannica

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... gas, in buoys, etc. Hydrogen sulphide may contaminate the air in chemical works, but is more frequently the cause of accident in sewers, where sewer gas may accumulate in pockets. ... the outer air. This form of ap- FIOH HAGGARD AND HENDERSON, aquot;NOXIOU CASESaquot; (CHEMICAL CATALOG CO.) FIG. ... At the upper part of their junction is the thyroid notch and just below that is a forward projection, the pomum Adami (aquot;Adama#39;s appleaquot;), best marked in adult males. From the upperanbsp;...


Title:Encyclopædia Britannica
Author: Walter Yust
Publisher: - 1954
ISBN-13:

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