ch only carbonic acid or pureair is admitted, a beer is produced of superior quality, whichmay be preserved without trouble for any time. Even apartial adoption of these precautions is attended with valua-ble results. In preparing pure yeast to start with, the authormakes use of the fact that… … Fig. 3.- nal, and gives a true bearing; but if thicker, will be pressedout at the sides and ends. Mr. Garey remarked that in the course of his experiencehe had heard much of the antifriction metals, but had rarelyor never seen any. He did remember making a trial of onespecimen, which, it was…
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