Apparatus
Category
Scientific instruments
Date
Unknown
Materials
Brass, Glass, Mercury, Wood
Collection
Cragside, Northumberland
NT 1231088
Summary
Instrument stand, round wooden base with screw fitting. Possibly for use with the Apps induction coils. A Manometer pressure gauge consisting of a glass capillary tube, bent twice and containing mercury, is currently attached to the 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).