Bidspirit auction | Gleneagles Pharmacology Optimus Blue Glass

Gleneagles Pharmacology Optimus Blue Glass Galileo Thermometer - Excellent Condition - A Galileo thermometer, featuring five spherical blue glass floats within a sealed cylindrical glass body. The instrument operates on the principle of buoyancy; each internal bulb is calibrated with a different density and carries a suspended brass-toned metal tag stamped with numerical temperature values. The thermometer is mounted on a flared circular clear glass base. The base features etched commemorative text in a circular format, which reads Gleneagles November 2005 and Pharmacology Optimus. The main body terminates in a pointed, sealed glass tip. Total height: 28 cm Base diameter: 8.5 cm.