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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

Liquid air vapour trap (enclosed type)

1915-1925

Modern glass filter pump

1925-1935

Glass ionisation vacuum gauge

1955-1980

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

Gear type rotary vacuum pump

1918-1923

Double barrelled air pump

1801-1900

Double barrelled air pump

1801-1900

Hero's fountain apparatus

1770-1820

Sectioned Cenco-Hyvac two stage rotary oil pump

1921-1926

Gaede steel slit diffusion pump

1920-1927

Gaede 3-stage metal diffusion pump

1915-1927

Toepler Mercury Pump, c 1905

1905

Bunsen filter pump mounted on board and fitted with mercury gauge

1918-1928

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 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

Oil Free Rotary Vacuum Pump/Air Compressor

Mercury diffusion pump

1960-1969

Mercurial air pump

unknown date

Double barrel air pump by Moritz Pillischer

1851-1887

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

Double barrelled air pump

1801-1900
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

Sprengel's air pump (single form) by E. Cetti, 38 Brooke Street, Holborn, London, England, 1880-1885. Fitted with single fall with side flask near top connected by rubber tube. Used by the Normal School of Science part of thee Department of Science and Arts, South Kensington, London, later the Royal College of Science then Imperial College (see note).

Sprengel's air pump (single form) by E. Cetti

1880-1885
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
Complete educational high vacuum pumping equipment, model 2SC20A, Serial No. 11579, two stagerotary pump fitted with Solenoid Air Admittance valve, by Edwards High Vacuum Ltd, Manor Royal, Crawley, Sussex, England, 1955-1968.

Complete educational high vacuum pumping equipment

1955-1968
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
Reconstruction of the Boyle-Hooke air pump of 1659. Reconstruction made in 1960.

Reconstruction of the Boyle-Hooke air pump

1659
Coloured sectional diagram, pen and ink, of early statical mercury vacuum pump, made at the Science Museum, London, 1928.

Coloured sectional diagram

1928
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

Gaede type rotary oil pump, by W. Edwards & Co., London, England, 1916-1926

Gaede type rotary oil pump

1916-1926
Coloured sectional diagram of Langmuir's original mercury vapour pump, 1916

Coloured sectional diagram of Langmuir's original mercury vapour pump

1916
Langmuir type metal vacuum pump part sectioned, unsigned, American, 1915-1925

Langmuir type metal vacuum pump part sectioned

1915-1925
McLeod's apparatus for measuring low pressures of gases

McLeod's low pressure gas measuring apparatus