...In oil,verdigris is permanent with respect to light and air, but moisture andan impure atmosphere change its colour, and cause it to effloresce orrise to the surface through the oil...
George Field 「Field's Chromatography」
ランダム例文:
heliograph morphology besprinkle
便利!手書き漢字入力検索
この漢字は何でしょう??