Laboratory Burettes With Reservoirs And Two Stopcocks – Set Of Two – No. 7

Two elaborate laboratory burettes with graduated measuring tubes, parallel long filling tubes and upper bulbous or pear-shaped reservoirs. Each has two glass stopcocks for filling and dispensing. With fine graduations, occasional discolouration or label remnants. 4 of the four upper closure caps are visible; 0 are missing. The series comprises 12 separate sets, which can also be used together. With signs of use and storage. Props for laboratory and chemical industry sets. Measuring accuracy and leak-tightness have not been tested. The stand and clamps are not included.