Measuring cylinder with ground glass opening, 3-25mL in 2mL x 0.2mL increments, made by Hospital & Laboratory Supplies Ltd., Charterhouse Square, London EC1, date 1930-1977. Object has "HOSLAB" written vertically at the opening, with "ML", "C20°C" and "B" inscribed below. The number "12" is handritten to the right of "HOSLAB".
