Measuring cylinder, 250mL in 20x0.2mL graduations, made by John Poulten Ltd., Peaks Works, 1 Alfreds Way, Barking, Essex, IG11 0AS, United Kingdom, date 1963-2000. The object carries the trademark "Volac" and "GT. BRITAIN", "B.S. 604", "ml", "IN" and "20°C".