Double barrelled air pump
1801-1900
Double barrelled air pump
1801-1900
Gaede steel slit diffusion pump
1920-1927
Patent 'Geryk' high vacuum pump
1901-1920
Fleuss vacuum pump (two cylinders)
1900-1910
Sectioned Cenco-Hyvac two stage rotary oil pump
1921-1926
McLeod's vacuum gauge (imperfect)
1880
Open type liquid air vapour trap and vacuum pump mechanism display
1915-1925
Liquid air vapour trap (enclosed type)
1915-1925
Modern glass filter pump
1925-1935
Glass ionisation vacuum gauge
1955-1980
Gear type rotary vacuum pump
1918-1923
Steel diffusion air pump
1915-1925
Cosmos 'Bottle' type vacuum pump
1917-1921
Gaede type rotary mercury pump
1916-1926
Hero's fountain apparatus
1770-1820
Gaede 3-stage metal diffusion pump
1915-1927
Toepler Mercury Pump, c 1905
1905
Mercury diffusion pump
1960-1969
Double barrelled air pump
1801-1900
Magdeburg hemispheres
1780-1820
Mercurial air pump
unknown date
Oil Free Rotary Vacuum Pump/Air Compressor made by Lacy-Hulbert Division of C.S. Maden & Co. Ltd.
Veeco' brand glass ionisation vacuum gauge
1955-1980
Gaede molecular vacuum pump
1910-1914
Gaede single stage all-metal pump with accessories
1923-1928
Oil Free Rotary Vacuum Pump/Air Compressor
Bunsen filter pump mounted on board and fitted with mercury gauge
1918-1928
Example to illustrate use of charcoal to produce high vacuum
1917-1927
Tate's double acting vacuum pump
1871-1900
Double barrel air pump by Moritz Pillischer
1851-1887
Double barrelled air pump
1801-1850
Single barrel air pump
1871-1900
Brass and steel accessories for air pump
1871-1900
Francis Hauksbee's air pump
Reconstruction of the Boyle-Hooke air pump
1659
Single stage vacuum pump by Burckhardt Engineering Works
1951
Air pump and receiver by Baird and Tatlock, 1871-1900
1871-1900
Five fall Sprengel mercury pump
Mercurial air pump of the Kahlbaum pattern
Single barrel air pump
1850-1900
Double transferrer, and single transferrer for air pump experiments
Tate's double-acting air pump with apparatus for various experiments
Coloured sectional diagram
1928
Coloured sectional diagram of Gaede's original mercury vapour pump
1915
Full size coloured sectional drawing of Holweck's molecular pump
Coloured sectional diagram of Langmuir's original mercury vapour pump
1916
McLeod's low pressure gas measuring apparatus
Coloured diagram showing arrangement for exhausting a large wireless valve
1927
Coloured sectional drawing of Holweck's molecular vacuum pump
1925-1931