Double Series Mercury Air Twist Wine Glass c1750

Description

Heading : Double series air twist wine glass
Period : George II – c1750
Origin : England 
Colour : Clear 
Bowl : Drawn trumpet
Stem : Double series air twist. four spiral threads outside an air twisted air column
Foot : Conical 
Pontil : Snapped 
Glass Type : Lead 
Size : 16.4 cm height. 6.4 cm diameter bowl. 7.2 cm diameter foot (was 7.5cm)
Condition : The foot has been polished by Andrew Knight of Basil Loveridge Glass Restoration. Images of the foot before and after are shown.
Restoration : None 
Weight: 184 grams