without causing any damage

give a loose (but not baggy) fit

In addition to its high performance formula

and is presented in a high quality hinged box

flakes and crystals in a special combination of liquids known as the ‘Storm Glass’

Galileo Thermometer Storm Bottle LIMIT without causing any damageThis desk instrument combines centuries old principles to provide meteorological information at a glance: Galileo Galileis discovery that the relative density of liquids varies according to temperature provides the basis for the thermometer of floating glass globes; and Admiral Robert Fitzroys observations aboard HMS Beagle (during Charles Darwins famous voyage) allows weather changes to be predicted with the appearance of streaks, cloudiness, flakes