In the making of beds with fresh material, that is, with unfermented manure, as was done by Mr. William Swayne of Kennett Square, Pa.
"Studies of American Fungi. Mushrooms, Edible, Poisonous, etc."
George Francis Atkinson
Yeast germs from the air, getting into this unfermented liquor, cause it to "work."
"An Introduction to Chemical Science"
R.P. Williams
In due time arrived 250 copies of "How to make unfermented grape juice" and 250 copies of "Hog Cholera."
"The So-called Human Race"
Bert Leston Taylor