"Vaporizer" Quotes from Famous Books
 ... layer of mucilage of gum arabic, allow the latter to harden, and then place the plate over the magnet. Next, iron filings are scattered over the surface by means of a small sieve, and, when the curves are well developed,[1] the surface is moistened by the aid of an ordinary vaporizer. The layer of gum arabic thus becomes softened and holds the iron filings so that the particles cannot change position. When the gum has hardened again, the magnet is removed, ...
— Scientific American Supplement, Vol. XIX, No. 470, Jan. 3, 1885 • Various |
