McLeod's vacuum gauge

Made:
1880 in United Kingdom
maker:
Unknown
and
Herbert McLeod

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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:
felt, glass, mahogany (wood), mercury, platinum (metal) and rubber (unidentified)
Measurements:
vacuum gauge only: 50 mm x 820 mm x 60 mm, 0.11kg
credit:
Executors of Sir William Crookes