Bunsen filter pump mounted on board and fitted wit

Made:
1918-1928 in London
maker:
Baird and Tatlock (London) Limited

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Bunsen filter pump mounted on board and fitted with mercury gauge, by Baird and Tatlock (London) Limited, London, 1918-1928

Details

Category:
Vacuum Technology
Object Number:
1928-122
Materials:
brass (copper, zinc alloy), cork, cotton (textile), glass, mahogany (wood), paper (fibre product) and rubber (unidentified)
Measurements:
overall (lying flat): 45 mm x 940 mm x 170 mm, 0.52kg
credit:
Baird and Tatlock (London) Limited