BALL AND GROOVE (AKA) round ball by Boston and Sandwich Glass Company (Sandwich-MA, Company Operated: 1825-1887), c1855 Introduced
NOTE: Attributed to B & S, Thought to be a posy vase.--Sean Cronin
NOTE: Barlow & Kaiser state that the one with the round balls is Sandwich.
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Shape:
Contributor:

Shape: Salts, open
Contributor: Dennis Worden - 3.75H, 4W. Master salt??

Shape: Vases, Rose Bowls, Ferners
Contributor: Sean Cronin