says Science, gives the results of a study of the W. Spencer, of Olneyville, R. I. antiseptic action of various substances. A culture has forward projections which extend between the The casing of the apparatus has a projecting lower spokes outside of the first named projections, as seen in medium… … barium fluoride 0°3 per cent, aluminum fluoride SPENCER’S WOOL-DRIER. 0-1 per cent, calcium fluoride 0°03 per cent, fer- a second runs, At the rear of the casing a third endless ric fluoride 0°06 per cent, magnesium fluoride 0°05 per both our illustrations. The rear portion of the hub is apron is…
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