Description
Cylindrival varnished wooden case with hinged domed lid, inside which is pasted a paper label with time corrections; pivoted paper disc with central brass gnomon, and printed compass points and hour lines, beneath a domed glass cover.
Acknowledgement: © History of Science Museum, University of Oxford, inv.43428
Cylindrival varnished wooden case with hinged domed lid, inside which is pasted a paper label with time corrections; pivoted paper disc with central brass gnomon, and printed compass points and hour lines, beneath a domed glass cover.