 | Connecticut. State Board of Agriculture - Agriculture - 1887 - 594 pages
...« >• t "5 — « •< O — q CO " t. a S. - ••"^ es o 1 1 I '•S oo § £ 5 g Take 100 Ibs. of ground bone such as contains 20 to 50 per cent., more or less, of material coarser than £ inch, 25 Ibs. of oil of vitriol of 66°, the strongest commercial acid, and six quarts of water.... | |
 | James John Howard Gregory - Fertilizers - 1885 - 144 pages
...use of oil of vitriol : " Take one hundred pounds of ground bone, such as contains twenty to fifty per cent, more or less, of material coarser than would pass through a sieve haying a one-half inch mesh, twenty-five pounds of oil of vitriol, and six quarts of water. Separate... | |
 | California. State Board of Horticulture - Fruit-culture - 1890
...little value. There will be a great commotion, a great boiling, frothing, and foaming, and throwing oft, of heat with a suffocating vapor. Because of the suffocating...coarser than would pass through a sieve, having a one half inch mesh, twenty-five pounds of oil of vitriol, and six quarts of water. Separate the bone... | |
 | California. Department of Agriculture - Agriculture - 1890 - 566 pages
...gallons of water are required. Having first donned old clothes, and having at hand a little salcratus or some alkali, ready to rub on any spot should by...coarser than would pass through a sieve, having a one half inch mesh, twenty-five pounds of oil of vitriol, and six quarts of water. Separate the bone... | |
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Because of the suffocating vapor, it is better to do the work in the open air or under an open shed. Professor Johnson in his report (Connecticut Experiment Station, 1881) gives two methods; the one which he considers best adapted for domestic use of... 