


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

Kew pattern unifilar magnetometer
1883

Apparatus to illustrate the phenomena of terrestrial magnetism

Kew pattern unifilar magnetometer, incomplete

Kew pattern unifilar magnetometer

Pair of collimator magnets in wooden carier

Two Fox dip needles in carriers and ivory rubber
1851-1900

Unifilar variation compass and magnetometer by Robinson
1830

Variometer reflecting head in fitted case

Inertia ring used by Capt. Collinson, 1850-53
1850-1853

Welsh's vertical force magnetograph by Adie, 1857
1857

Fox dip and intensity apparatus by George
circa 1840

Two inertia rings

Thirteen inertia bars

Compass with prismatic azimuth attachment
1801-1900

Three inertia bars

Variation compass

Two inertia rings, circa 1853
1853

Azimuth compass in gimbals

Dip circle by Robinson, c 1830.
1830

Gunmetal scale
1883

Dip circle and magnetometer by Brunner
1884

Dip circle by Robinson, c.1830
1830

Dip circle by Nairne and Blunt
1775

Dip needle

Magnetic model showing changes at Philadephia

Dip-needle, demonstration model

Magnet bar

Pair of 12-inch magnets and keepers, in box

Porter's magnetic sundial

Pair of collimator magnets, ex Kew Observatory

Cabinet of magnetic apparatus
1801-1850

Dip circle by Robinson & Barrow, London, c.1840
1842-1845

Inertia bar for use with unifilar magnetometer

Two dip needles used by Sir J.C. Ross, c.1840
1840

Inertia ring

Compass for deviation tests, circa 1850
1850

Dip circle by Robinson, c. 1830
1830

Kelvin's Vertical Force Magnetometer, by James White, 1870-1900
1870-1900

Vertical magnetometer by Oertling, c. 1930
1930

Sixteen inertia rings

Six inertia bars

Three photographic plates and one plate carrier
1850

Variation Compass and magnetometer, 1837-1843
1837-1843

Variation compass, for observations of the Aurora, 19th century
1801-1900
Variation compass by Adams, c.1750
1750
Register of magnetic disturbance at Toronto 30th Nov. 1849 and description of magnetometers
Dip circle with boxed needles, used by Sir J.C. Ross
1839
Photographic bifilar magnetometer
1883