One long pear shaped vacuum tube with Maltese cross shaped anode

Made:
1879
One long pear shaped vacuum tube with Maltese cross shaped One long pear shaped vacuum tube with Maltese cross shaped

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One long pear shaped vacuum tube with Maltese cross shaped
Science Museum Group
© The Board of Trustees of the Science Museum

One long pear shaped vacuum tube with Maltese cross shaped
Science Museum Group Collection
© The Board of Trustees of the Science Museum

One long pear shaped vacuum tube with Maltese cross shaped anode, 1879

Details

Category:
Electricity and Magnetism
Object Number:
1923-336
Materials:
glass and metal
Measurements:
overall: 115 mm x 410 mm x 100 mm,
type:
vacuum tube
credit:
Institution of Electrical Engineers