Modern glass filter pump, unsigned, British, 1925-

Made:
1925-1935 in United Kingdom
maker:
Unknown

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Modern glass filter pump, unsigned, British, 1925-1935 (see note)

Details

Category:
Vacuum Technology
Object Number:
1928-183
Materials:
brass (copper, zinc alloy), felt, glass and steel (metal)
credit:
Baird and Tatlock (London) Limited