Replica of glass object in Royal Institution collection: Dewar double annular jacketed vessel completed by Scientific Supplies Co. Ltd. and Museum Workshops, London, England, 1932. Replica of Dewar Double-Annular Jacketed Vessel, 1932 1932
Laboratory glassware, Dean and Stark receiver graduated to 4.5mL in 0.05mL increments. Made by Scientific Supplies Co. Ltd (SS Co), England, date of manufacture unknown. Object has blue circular sticker with the inscription "SC54". Neck of object is inscribed with the company logo "SS Co", "Grade A", "4f33", "CC" and "15°C". Dean and Stark receiver
Replica of object in Royal Institution collection: Dewar vacuum tube with mercury for reflecting surface, by Scientific Supplies Co., London, England, 1930. Replica of Dewar Vacuum Flask containing Mercury, 1930 1930