Gaede 3-stage metal diffusion pump
1915-1927
Vacuum pump by Pfeiffer
1932
Rotary vacuum pump
1981-1991
Double barrelled air pump
1801-1900
Gaede steel slit diffusion pump
1920-1927
Steel diffusion air pump
1915-1925
Hero's fountain apparatus
1770-1820
Double barrelled air pump
1801-1900
Patent 'Geryk' high vacuum pump
1901-1920
Cosmos 'Bottle' type vacuum pump
1917-1921
Fleuss vacuum pump (two cylinders)
1900-1910
Gaede type rotary mercury pump
1916-1926
Vertical pneumatic pump
1889
Liquid air vapour trap (enclosed type)
1915-1925
Component of sectioned Cenco-Hyvac two stage rotary oil pump
1921-1926
Sectioned Cenco-Hyvac two stage rotary oil pump
1921-1926
Crank Handle for Double Barrelled Air Pump
1866-1911
Modern glass filter pump
1925-1935
McLeod's vacuum gauge (imperfect)
1880
Glass ionisation vacuum gauge
1955-1980
Single transferrer for air pump experiments
1871-1900
Open type liquid air vapour trap and vacuum pump mechanism display
1915-1925
Gear type rotary vacuum pump
1918-1923
Separate plate
1889
Gaede molecular vacuum pump
1910-1914
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
Magdeburg hemispheres
1780-1820
Gaede single stage all-metal pump with accessories
1923-1928
Mercury diffusion pump
1960-1969
Double barrelled air pump
1801-1900
Mercurial air pump
unknown date
Stand
Oil Free Rotary Vacuum Pump/Air Compressor
Bunsen filter pump mounted on board and fitted with mercury gauge
1918-1928
Sectioned Cenco-Hyvac two stage rotary oil pump
1921-1926
Double barrel air pump by Moritz Pillischer
1851-1887
Double transferrer for air pump experiments
1871-1900
Example to illustrate use of charcoal to produce high vacuum
1917-1927
Toepler Mercury Pump, c 1905
1905
Single barrel air pump
1871-1900
Double barrelled air pump
1801-1850
Brass and steel accessories for air pump
1871-1900
Tate's double acting vacuum pump
1871-1900
Francis Hauksbee's air pump
Copies of Large Magdeburg Hemispheres
1660 (original); 1876 (copy)
Mercurial air pump of the Kahlbaum pattern
Five fall Sprengel mercury pump
Vacuum Pump used by Glaxo
circa 1920
Single barrel air pump
1850-1900