Evening Republican, Volume 17, Number 311, Rensselaer, Jasper County, 31 December 1913 — Method of Softening Good. [ARTICLE]
Method of Softening Good.
Pure gold may be softened keep* ing it at the boiling temperature of water for four days.
Method of Softening Good.
Pure gold may be softened keep* ing it at the boiling temperature of water for four days.