Shop round for potassium sulphate, containing a white powder Shop round for potassium sulphate Medical Glass-ware
Specimen bottle of powder potassium sulphate and sulphur, 1831 to 1880 Specimen bottle of powder potassium sulphate and sulphur Materia Medica & Pharmacology 1831-1880
Bottle, clear glass, with contents, for potassium sulphate powder, English, late 19th century Bottle, clear glass Materia Medica & Pharmacology 1850-1900
Glass storage bottle, labelled "OL DISTILLAT MENTH" (Distilled oil of mint), and "SULFURETO DE POTASA", (sulphate of potash) painted with monastic arms, Spanish, 17th or 18th century Glass storage bottle Medical Glass-ware 1601-1800
