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
Apparatus to illustrate the phenomena of terrestrial magnetism
Unifilar variation compass and magnetometer by Robinson
1830
Dip-needle, demonstration model
Kew pattern unifilar magnetometer, incomplete
Dip circle by Nairne and Blunt
1775
Welsh's vertical force magnetograph by Adie, 1857
1857
Gunmetal scale
1883
Dip circle and magnetometer by Brunner
1884
Vertical magnetometer by Oertling, c. 1930
1930
Variometer reflecting head in fitted case
Small frame containing two kinds of spider's thread
Compass with prismatic azimuth attachment
1801-1900
Pair of collimator magnets, ex Kew Observatory
Dip circle by Robinson, c. 1830
1830
Three photographic plates and one plate carrier
1850
Pair of 12-inch magnets and keepers, in box
Variation compass
Azimuth compass in gimbals
Pair of 6-inch magnets and keepers, in mahogany box
Thirteen inertia bars
Compass for deviation tests, circa 1850
1850
Variation compass, for observations of the Aurora, 19th century
1801-1900
Magnetic model showing changes at Philadephia
Inertia ring used by Capt. Collinson, 1850-53
1850-1853
Two inertia rings
Inertia bar for use with unifilar magnetometer
Sixteen inertia rings
Inertia ring
Clock in wooden case
Gas burner
Gas burner
Parts from Kew Pattern Unifilar Magnetometer
Parts from Kew Pattern Unifilar Magnetometer
Two tin lidded boxes, containing parts of Dip circle, 1891
Parts from Kew Pattern Unifilar Magnetometer
A camera like component of photographic registration apparatus
1850
Apparatus for producing an automatic temperature compensation
1850
Enclosed thermometer
1840
Support stand
1840
Dip circle component
components
1840
component
1840
component
1840