1 litre Claisen's form distillation flask
- Made:
- 1920-1940 in Blackhorse Lane
Glass flask, 1 litre Claisen's form distillation flask for vacuum distillation, made by Baird & Tatlock Limited, London, England, 1920-1940. The object features a trade mark with the words 'BRITISH RESISTANT GLASS' written around the letters BTL within a rectangle and triangle shape, the number '1000' and the letter 'W' within an irregular hexagon shape.