Journal - Franklin Institute of the State of Pennsylvania (1826)
Franklin Institute, Philadelphia, Franklin Institute (Philadelphia, Pa.) · [Philadelphia : Franklin Institute] · leaf 449
the ground line. The proportion of hot lime to the gravel is about one-eighth part only, which I think is enough. It was Walters Sutton flare-burnt lime which I used. I think this plan better than first mixing the gravel and lime, but this may be a mere matter of opinion. The mixture hardens in a… … ^ Origin of Mouldiness. Water, which holds organic substances in solution, very fre-quently developes living beings, viz: the infusares, which belongsometimes to the animal, and sometimes to the vegetable, kingdoms.These substances, which have been regarded by certain naturalistsas the product of…
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