An exceptional Geissler tube,

Details
An exceptional Geissler tube,
the 1¾in. diameter tube with liquid-filled spiral twist and bulb centre, trumpet ends and electrodes -- 49in. (124.5cm.) long, and a component tube with spiral and twist centres, trumpet ends on pear-shaped bulbs -- 43¼in. (110cm.) long, in the original paper-lined carrying case, fitted for three tubes -- 50¾in. (129cm.) long

See Illustration
(2)

Lot Essay

Both tubes were tested for operation at the time of delivery to the saleroom and were seen to be working

More from Fine Scientific Instruments

View All
View All