Glass phial, plastic seal, originally holding hydrogen peroxide, now empty, European, 1920-1960 Glass phial 1920-1960
Glass phial, plastic seal, containing tartaric acid crystals, European, 1920-1960 Glass phial 1920-1960
Clear glass phial, plastic seal, containing magnesium carbonate powder, European, 1920-1960 Clear glass phial 1920-1960
Clear glass phial, plastic seal, containing citric acid crystals, European, 1920-1960 Clear glass phial 1920-1960
Clear glass phial, plastic seal, containing small pieces of cinhona bark, European, 1920-1960 Clear glass phial 1920-1960
Glass phial, plastic seal, containing tarnic acid crystals, European, 1920-1960 Glass phial 1920-1960
Clear glass phial, plastic seal, containing magnesium sulphate powder, European, 1920-1960 Clear glass phial 1920-1960