Variation Compass and magnetometer, 1837-1843
1837-1843
Porter's magnetic sundial
Dip circle by Robinson, c 1830.
1830
Kelvin's Vertical Force Magnetometer, by James White, 1870-1900
1870-1900
Fox dip and intensity apparatus by George
circa 1840
Kew pattern unifilar magnetometer
Kew pattern unifilar magnetometer
1883
Unifilar variation compass and magnetometer by Robinson
1830
Apparatus to illustrate the phenomena of terrestrial magnetism
Kew pattern unifilar magnetometer, incomplete
Dip-needle, demonstration model
Dip circle by Nairne and Blunt
1775
Vertical magnetometer by Oertling, c. 1930
1930
Welsh's vertical force magnetograph by Adie, 1857
1857
Variometer reflecting head in fitted case
Gunmetal scale
1883
Small frame containing two kinds of spider's thread
Compass with prismatic azimuth attachment
1801-1900
Dip circle and magnetometer by Brunner
1884
Dip circle by Robinson, c. 1830
1830
Three photographic plates and one plate carrier
1850
Pair of 12-inch magnets and keepers, in box
Pair of collimator magnets, ex Kew Observatory
Pair of 6-inch magnets and keepers, in mahogany box
Variation compass
Thirteen inertia bars
Azimuth compass in gimbals
Magnetic model showing changes at Philadephia
Inertia ring used by Capt. Collinson, 1850-53
1850-1853
Two inertia rings
Compass for deviation tests, circa 1850
1850
Inertia bar for use with unifilar magnetometer
Inertia ring
Variation compass, for observations of the Aurora, 19th century
1801-1900
Thomson-Thalen magnetometer, c.1899, by Berg
Box and display stand for Thomson-Thalen magnetometer
Globe illustrating the Earth's magnetism in 1872
Tripod top for Thalen-Tiberg magnetometer
Rule from Kew Pattern Unifilar Magnetometer
Dip circle by Robinson, c.1830
1830
Tripod stand for Bifilar magnetometer
1850
Clock in wooden case
Gas burner
Apparatus for producing an automatic temperature compensation
1850
Compass from Unifilar Variation Compass and Magnetometer
Dip circle needles in storage box
Case for dip circle components
Parts from Kew Pattern Unifilar Magnetometer
Parts from Kew Pattern Unifilar Magnetometer
