Electroscope
Category
Scientific instruments
Date
Unknown
Materials
Glass
Measurements
228 mm (H)80 mm (Diameter)
Collection
Cragside, Northumberland
NT 1231089
Summary
A glass dome electroscope with brass cap, two silver foil strips on the inside. Used for detecting and measuring electric charge. No base.
Provenance
Armstrong collection. Transferred by the Treasury to The National Trust in 1977 via the National Land Fund, aided by 3rd Baron Armstrong of Bamburgh and Cragside (1919 - 1987).