Cone
Category
Wooden objects
Date
Unknown
Materials
Mahogany
Measurements
145 mm (H)133 mm (Diameter)
Collection
Cragside, Northumberland
NT 1229591
Summary
Mahogany cone, dissected to show conic sections. Possibly used in lecturing to students for drawing skills.
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).