ZI 3060A Single burette, 10ml. Capacity, graduated in 0.05 ml division.
ZI 3060B Single burette, 25ml. capacity, graduated in 0.1ml. Division.
ZI 3060C Twin burette, 50ml. Capacity graduated in 0.2 ml divisions. The unit consists of two glass graduated burettes of 50ml. 0.2ml. Capacity enclosed in two Perspex tubes sealed by two end caps