Nipt-diamond-waies

Nipt-diamond-waies

Nipt-diamond-waies

The technique of manipulating adjacent vertical ribs with pincers to form a diamond pattern. “Nipt-diamond-waies” was the term used by the English glassmaker George Ravenscroft (1632-1683) in a 1677 advertisement for his new lead glass.

Alternate Spellings: 
nipt diamond waies
nipt diamond waie
nipt-diamond-waie