Board
Category
Scientific instruments
Date
Unknown
Materials
Gilt, Oak, Steel
Measurements
57 mm (H)405 mm (W)300 mm (D)
Collection
Cragside, Northumberland
NT 1229607
Summary
Stained oak board with many holes drilled through including a row of 14 small ones, a pine 45 mm wall fixed in centre through which runs a steel rod with a gilt metal knob on outer end.
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).