An 18th Century Firing Glass

Description

Heading : An 18th Century Firing Glass
Date: c 1780
Period: George III
Origin : England
Colour : Clear. good grey hue
Bowl : Drawn trumpet. with pucella marks
Stem : Short plain with air tear
Foot : Thickened conical
Pontil : Snapped
Glass Type : Lead 
Size :  9.3cm height. 5.6cm diameter bowl. 6.4cm diameter foot 
Condition : Very good. no chips or cracks. a couple of tiny bubbles in the bowl and a larger elongated bubble in the foot
Restoration : None 
Weight:  197 grams