Optical instrument
Category
Technological items
Date
Unknown
Materials
Metal and glass
Collection
Tyntesfield, North Somerset
NT 12197
Summary
An optical instrument, possibly a periscope, with adjustable focus. There is a refracting mirror at the end of a cylindrical tube which is marked, 40x,50x and 60x. This is accompanied by its leather carrying case.
Provenance
Purchased from the estate of the late Lord Wraxall with the assistance of the NHMF and donations from members and supporters.