Inside Out Library · Explore

Scientific American, Vol. 45, No. 25 (1881) (1881)

leaf 4

An illustration from Scientific American, Vol. 45, No. 25 (1881), 1881, leaf 4
fensive cess is helped by steeping the wick in boracic odor. The discovery of the chemical properties acid, in order that a glassy bead may be formed of these constituent elements of candle fat led at the end of the wick, and drop off by its own with a single step to the fundamental idea of the… … ing, however, have pictur. esque phases which appeal all the steps since taken—and they followed The glycerine must be removed, the acids hard on the heels of the first—have looked must be freed from the new base com- to the doing of this in the most expeditious bined in getting rid of the old, and…

Internet Archive · Public domain (published before 1931). Free to use for anything.

More pictures from Scientific American, Vol. 45, No. 25 (1881)

More like this