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Horseshoe magnet and keep used with experimental form of magnetic detector, 1900-1910

Horseshoe magnet and keep used with experimental form of magnetic detector, 1900-1910

1900-1910
Pair of bar magnets in box

Pair of bar magnets in box

1750-1795
Eclipse `Major' Alcomax magnet

Eclipse `Major' Alcomax magnet

1950-1980
Steel horseshoe magnet, mid 18th century

Steel horseshoe magnet, mid 18th century

1750-1780
Magnet from Nuclear Magnetic Resonance machine.

Magnet from Nuclear Magnetic Resonance machine.

1954-1955
Pillar magnet

Pillar magnet

1700-1850
Electro-magnet wound with copper strip

Electro-magnet wound with copper strip

1876
Horseshoe magnet

Horseshoe magnet

Electro-magnet in mahogany box

Electro-magnet in mahogany box

1876
Battery of magnets

Battery of magnets

1750-1800
Helical coils revolving round a magnet

Helical coils revolving round a magnet

1822-1856
Small permanent magnet

Small permanent magnet

Pair of 6-inch magnets and keepers, in mahogany box

Pair of 6-inch magnets and keepers, in mahogany box

Pair of bar magnets

Pair of bar magnets

1828-1857
Pair of bar magnets in box

Pair of bar magnets in box

Set of six magnets on board

Set of six magnets on board

Quadrupole magnet from the Tevatron accelerator, Fermilab

Quadrupole magnet from the Tevatron accelerator, Fermilab

1980-1982
Pair of 12-inch magnets and keepers, in box

Pair of 12-inch magnets and keepers, in box

Superconducting Magnet

Superconducting Magnet

1996-1997
Three bar magnets in a box

Three bar magnets in a box

Pair of bar magnets

Pair of bar magnets

Set of six magnets on board

Set of six magnets on board

Hibbert's Magnetic Balance by W.G Pye & Co

Hibbert's Magnetic Balance by W.G Pye & Co

1903-1970
Part of magnet from Nuclear Magnetic Resonance system

Part of magnet from Nuclear Magnetic Resonance system

Pair of Robison ball-ended magnets 80cm long

Pair of Robison ball-ended magnets 80cm long

1900-1974
Magnetic rods from Hibbert's Magnetic Balance by W.G Pye & Co

Magnetic rods from Hibbert's Magnetic Balance by W.G Pye & Co

1903-1970
Model of cloud chamber magnet presented to Prof. P.M.S. Blackett, 1934

Model of cloud chamber magnet presented to Prof. P.M.S. Blackett, 1934

1957
Milk bottle shaped fridge magnet

Milk bottle shaped fridge magnet

circa 1997
Superconducting magnet (for travelling wave maser)

Superconducting magnet (for travelling wave maser)

1966
Magnet bar

Magnet bar

Champagne glass shaped fridge magnet

Champagne glass shaped fridge magnet

circa 1997
Wallace & Gromit fridge magnet

Wallace & Gromit fridge magnet

circa 1997
Model of cloud chamber magnet presented to Prof. P.M.S. Blackett, 1934

Model of cloud chamber magnet presented to Prof. P.M.S. Blackett, 1934

1957
Salmson V.G. Magnet

Salmson V.G. Magnet

Barrel magnet for siphon recorder, designed by William Thomson (Baron Kelvin) made by James White & Company, Glasgow, Scotland, 1870. Used by the Eastern Telegraph Co in Egypt, and later in India

Barrel magnet for siphon recorder, 1870

1870
John Canton's magnets, made ca. 1750.

John Canton's magnets

1750
Circular permanent magnet with annular gap 1 3/8" to 1", part of Oliver Lodge’s microphone amplifier or relay, 1898 (British patent 9712 of 1898), a precursor of the moving-coil loudspeaker

Circular permanent magnet with annular gap 1 3/8" to 1"

Magnet, inscribed 'Yes we can', used to distinguish tin from steel cans, 1980s, made for ALCOA by Magnetic Novelties Co, Ellisville, Missouri, USA.

Magnet for distinguishing tin from steel cans

1980-1989
Electromagnet of peculiar construction.

Electromagnet of peculiar construction

Compound horseshoe magnet, comprising eight individual magnets each 12 inches high and screwed together, with keeper

Compound horseshoe magnet

1900
Early cobalt steel permanent magnet with mild steel pole pieces, for moving coil loud speaker

Early cobalt steel permanent magnet with mild steel pole pieces

Transformer, Branly collection no. 18

Transformer, Branly collection no. 18

One of a group of seven small permanent magnets

Small permanent magnet

Horse shoe electro-magnet with armature

Horse shoe electro-magnet with armature

1876
Group of seven small permanent magnets

Seven small permanent magnets

Magnet for use in blowpipe analysis, inside of mahogany case, from analytical chemist’s mahogany cabinet, made by Carl Osterland, Freiberg, Sachsen, Germany, 1850

Magnet, for blowpipe analysis, from analytical chemist's cabinet, by Carl Osterland, Germany, 1850

1850
Two modules of ferrite core, each 64k bytes, from IBM System 360/195 computer, manufactured by IBM, United States, 1971-1978

two modules of 64k byte ferrite core from IBM System 360/195 computer, 1971-1978

1971-1978
Part of magnet and electronic circuitry from prototype Nuclear Magnetic Resonance system, early 1970s.

Part of magnet from Nuclear Magnetic Resonance system

Early cobalt steel permanent magnet for moving coil loud speaker (solid magnet steel)

Early cobalt steel permanent magnet for moving coil loud speaker

Two colbalt-samarium magnets, each is a disc 1/2" diameter x 1/8" thick

Two colbalt-samarium magnets

1972