The student's manual of yeast culture / by Grove Johnson.

  • Johnson, Grove.
Date:
[1908?]
Catalogue details

Licence: In copyright

Credit: The student's manual of yeast culture / by Grove Johnson. Source: Wellcome Collection.

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    regarded as axiomatic—with incredulity at the time of their announcement. • A recapitulation of his claims will assist us in forming a correct attitude of mind towards the subject of yeast culture in its entirety. “Every unhealthy change,’’ he said, “in the quality of beer coincides with a development of microscopic germs, which are alien to the pure fermentation of beer.’’ “ The absence of change in wort and beer coin- cides with the absence of foreign organisms.’’ To many of us the repetition of the above stated facts may seem to be unnecessary, but we must keep in remembrance that Herculean labours had to be performed before their acceptance became general, and, further, that much of the work accomplished by others following in Pasteur’s footsteps would have been impossible unless so great a leader had shown the way. The present ceaseless activity towards the pursuit of further knowledge is fraught with
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