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Double barrelled air pump

1801-1900

Double barrelled air pump

1801-1900

Gaede steel slit diffusion pump

1920-1927

Liquid air vapour trap (enclosed type)

1915-1925

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

Steel diffusion air pump

1915-1925

Modern glass filter pump

1925-1935

Glass ionisation vacuum gauge

1955-1980

Gaede type rotary mercury pump

1916-1926

Hero's fountain apparatus

1770-1820

Gear type rotary vacuum pump

1918-1923

Cosmos 'Bottle' type vacuum pump

1917-1921

Oil Free Rotary Vacuum Pump/Air Compressor made by Lacy-Hulbert Division of C.S. Maden & Co. Ltd.

Oil Free Rotary Vacuum Pump/Air Compressor

Bunsen filter pump mounted on board and fitted with mercury gauge

1918-1928

Gaede molecular vacuum pump

1910-1914

Gaede single stage all-metal pump with accessories

1923-1928

Example to illustrate use of charcoal to produce high vacuum

1917-1927

Mercurial air pump

unknown date

Double barrelled air pump

1801-1900

Double barrel air pump by Moritz Pillischer

1851-1887

Mercury diffusion pump

1960-1969

Toepler Mercury Pump, c 1905

1905

Veeco' brand glass ionisation vacuum gauge

1955-1980

Magdeburg hemispheres

1780-1820

Tate's double acting vacuum pump

1871-1900

Double barrelled air pump

1801-1850

Single barrel air pump

1871-1900

Brass and steel accessories for air pump

1871-1900

Gaede 3-stage metal diffusion pump

1915-1927
Francis Hauksbee's air pump, ca. 1708.

Francis Hauksbee's air pump

Sprengel's mercury pump, with funnel and mercury trough

Sprengel's mercury pump

Mercury air pump designed by the late Capt J.H. Thomson to work automatically by means of a water pump

Mercury air pump

Stick of Sira adhesive wax by British Drug Houses Ltd.

Stick of Sira adhesive wax

Air pump demonstration apparatus, 19th century; (1) Magdeburg hemispheres; (2) Windmill demonstration; (3) Guinea and feather

Air pump demonstration apparatus

1800-1899
Vacuum pump used by Glaxo at two pilot plants at their Greenford site during 1956-1970 and 1970-1994 for new drug development. Some of the principle drugs developed and marketed by GlaxoWellcome in which this pump would have played a part in the R&D process include: Becotide (asthma drug which received the Queen's Award; Zinacef (antibiotic); Fortum (third generation inhectable antibiotic which received the Queen's Award); Zinnat (oral antibiotic which received the Queen's Award); Flixotide (asthma). The pump was refurbished by APM Electro Mechanical Services Ltd.

Vacuum Pump used by Glaxo

circa 1920
Mercury Vacuum pump, used by Professor Crookes

Mercury vacuum pump

Coloured sectional diagram of Gaede's original mercury vapour pump, 1915

Coloured sectional diagram of Gaede's original mercury vapour pump

1915
Full size coloured sectional drawing of Holweck's molecular pump

Full size coloured sectional drawing of Holweck's molecular pump

Coloured sectional diagram of Langmuir's original mercury vapour pump, 1916

Coloured sectional diagram of Langmuir's original mercury vapour pump

1916
McLeod's apparatus for measuring low pressures of gases

McLeod's low pressure gas measuring apparatus

Five fall Sprengel mercury pump, made by L. Casella

Five fall Sprengel mercury pump

Mercurial air pump of the Kahlbaum pattern

Mercurial air pump of the Kahlbaum pattern

Single barrel air pump, crank operated, late 19th century

Single barrel air pump

1850-1900
Double transferrer for air pump experiments, on turned mahogany stand, by Horne and Thornthwaite, London, and Single transferrer for air pump experiments, unsigned, British, 1871-1900 (see note)

Double transferrer, and single transferrer for air pump experiments

Tate's double-acting air pump with apparatus for various experiments, late 19th century

Tate's double-acting air pump with apparatus for various experiments