Note C — QUICK STUFFS.
Reading edition
This acid dissolves glass with great rapidity. It is purchased in leaden bottles. A single drop on the skin would make a sore difficult to heal. Daguerreotypists should bear in mind that the accelerating chemicals used in the Daguerreian art, are of the most volatile substance, and more difficult to experiment with than all other in the range of chemical science. When hydrofluoric acid is to be measured, the graduated glass should be partly filled with the mixture to which you intend adding it.