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
Welsh's vertical force magnetograph by Adie, 1857
1857
Vertical magnetometer by Oertling, c. 1930
1930
Gunmetal scale
1883
Variometer reflecting head in fitted case
Small frame containing two kinds of spider's thread
Dip circle and magnetometer by Brunner
1884
Compass with prismatic azimuth attachment
1801-1900
Pair of collimator magnets, ex Kew Observatory
Dip circle by Robinson, c. 1830
1830
Pair of 12-inch magnets and keepers, in box
Three photographic plates and one plate carrier
1850
Pair of 6-inch magnets and keepers, in mahogany box
Variation compass
Azimuth compass in gimbals
Thirteen inertia bars
Magnetic model showing changes at Philadephia
Variation compass, for observations of the Aurora, 19th century
1801-1900
Two inertia rings
Inertia ring used by Capt. Collinson, 1850-53
1850-1853
Inertia ring
Compass for deviation tests, circa 1850
1850
Inertia bar for use with unifilar magnetometer
Wilson Magnetic Balance
Mahogany box, for Walker portable magnetometer
Two tin lidded boxes, containing parts of Dip circle, 1891
Mahogany box, for Dip circle, 1891
Dip circle and part
Horizontal Force Variometer by Askania-Werke AG, 1924
1924
Enclosed thermometer
1840
Parts from Kew Pattern Unifilar Magnetometer
A camera like component of photographic registration apparatus
1850
Two Fox dip needles in carriers and ivory rubber
1851-1900
Pair of collimator magnets in wooden carier
Tripod top for Thalen-Tiberg magnetometer
Rule from Kew Pattern Unifilar Magnetometer
Dip circle by Robinson, c.1830
1830
Weight from clock
