McLeod's vacuum gauge (imperfect)

Made:: 1880 in United Kingdom

maker:: Herbert McLeod

McLeod's vacuum gauge (imperfect), with open mercury source

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McLeod's vacuum gauge (imperfect), with open mercury source
Science Museum Group
© The Board of Trustees of the Science Museum

McLeod's vacuum gauge (imperfect), with open mercury source, unsigned, British, 1880 (see note). This object is described in Phil. Trans. 1881 part II p.393, October 2nd 1880.

Details

Category:: Vacuum Technology

Object Number:: 1919-388

Materials:: glass, mercury, mahogany (wood), platinum (metal), felt and rubber (unidentified)

Measurements:: overall: 145 mm x 820 mm x 80 mm, 0.3kg
vacuum gauge only: 50 mm x 820 mm x 60 mm, 0.11kg

type:: gauges

credit:: Executors of Sir William Crookes

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