2 clear glass burettes with graduated scales and taps, possibly French, 1901-1930 2 clear glass burettes with graduated scales and taps 1901-1930
Burette, glass, calibrated with c.c. scale on side, broken, base missing, access tube in top, European, 1880-1929 Burette, glass 1880-1929
Three clear glass burettes, tubular, curving downwards at top, graduated, possibly English, 1851-1900 Three clear glass burettes 1851-1900
Light clear glass burettes of four different varieties, all with graduated scales, probably English, 1890-1930 Clear glass burettes of four different varieties 1890-1930