Bidspirit auction | I.M RONKETTI, NO. 180 HOLBORN,

I.M RONKETTI, NO. 180 HOLBORN, LONDON, A GEORGE III MAHOGANY DOOR STICK BAROMETER - I.M RONKETTI, NO. 180 HOLBORN, LONDON, A GEORGE III MAHOGANY DOOR STICK BAROMETER with architectural pediment hood and glazed hinged door opening to an engraved brass register plate with vernier scale and thermometer, the plate signed I.M Ronketti No. 180 Holborn London, the long trunk with chequer stringing and exposed mercury tube terminating in a turned circular cistern cover. (96cm high)