The gardener's magazine and register of rural & domestic improvement (1826)
Loudon, J. C. (John Claudius), 1783-1843, A. & R. Spottiswoode, printer, United States. Patent Office. Scientific Library, former owner DSI · London : Longman, Rees, Orme, Brown and Green · leaf 25
prussiate of potash*,being a salt composedof prussic acid and pot-ash ; the second a de- /■coction of oak galls, orof the teas from China,being vegetable produc-tions, containing gallicacid combined withother substances; andthe third a solution ofthe sulphate of iron, asalt composed of sul-phuric… … n Anatomy of the Vine. the cork of the bottle by a bit of wood), on a piece of white paper,and, about 1 in. from it, deposit as much of the sulphateof iron; afterwards double the paper between them together,and the instant the two solutions unite, a beautiful blueprecipitate or sediment will be…
