Glass mushroom specimen jar containing small crystals of potassium dichromate, made in the Science Museum, British, 1920-1926 Specimen of potassium dichromate 1920-1926
Glass mushroom specimen jar containing small crystals of sodium carbonate, made in the Science Museum, British, 1920-1926 Specimen of sodium carbonate 1920-1926
Laboratory glassware, 5 Quickfit joints, cones with stems, reduced shank, with tapered ends made by Quickfit & Quartz Ltd., Stone, Staffordshire, England, 1934-2000. The objects show the Quickfit & Quartz logo on the side and the cone size, printed in blue. 5 Quickfit cone joints with stems