A Geissler tube, they were named after the man who first devised them (1814-1879), to demonstrate the effect of high voltages on different gases or air that has been rarefied. This one would have been made for a University or College.
Added:
8th Jul 2009
Subjects:
Design and Technology, History, Science
Key Stages:
Foundation, Key Stage 1, Key Stage 2, Key Stage 3, Key Stage 4, Key Stage 4+
Keywords:
Science, history, glass, electricity
Related Links:
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MakerNote | Nikon MM * 3 0210 @ r z
¢ |