Lot Essay
These tubes have not been tested for operation.
Details
A Crookes rock crystal tube,
with label inscribed Dolomite, on wood stand -- 10½in. (26.6cm.) high; a 19th-Century Geissler U-tube with three bulbs, the centre with spiral rosettes, liquid-filled, on stand -- 14in. (35.6cm.) high; a liquid-filled spiral twist Geissler tube -- 6in. (15.2cm.) long; and a railway tube, the paddle wheel with eight mica blades -- 11¼in. (28.5cm.) long
See Illustration (part lot) (4)
with label inscribed Dolomite, on wood stand -- 10½in. (26.6cm.) high; a 19th-Century Geissler U-tube with three bulbs, the centre with spiral rosettes, liquid-filled, on stand -- 14in. (35.6cm.) high; a liquid-filled spiral twist Geissler tube -- 6in. (15.2cm.) long; and a railway tube, the paddle wheel with eight mica blades -- 11¼in. (28.5cm.) long
See Illustration (part lot) (4)