The picture to the right is actually of a little schoolhouse ink with a cracked-off complete online dating from about 1880
The picture to the right is actually of a little schoolhouse ink with a cracked-off complete online dating from about 1880 “Stretch” markings : Bottle glass might have differing traces, ripples, or twists in glass which happen to be the result of the irregularities in glassblowing techniques, for example. turning regarding the blowpipe, what sort