English: This growth curve shows the inoculation of yeast versus the approximate fermentation time in bread dough. It is intended to communicate a generalized idea and neither be precise nor comprehensive.
This file was copied from the commons file "PSM V50 D617 Yeast growth in alcohol production.jpg" that is asserted by Wikimedia Commons as in the public domain. It is asserted as originally from "https://archive.org/details/popularsciencemo50newy Popular Science Monthly Volume 50" and dated 1896. I digitally altered it on November 16, 2014, mostly erasure, then added a descriptive heading below the horizontal axis, uploaded it back to Commons, and released any rights as indicated.
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