NORTHWOOD GLASS CO. No. 317 JEWEL (OMN)
• AKA: Threaded Rubina; Threaded Swirl
• Northwood Glass Company (Martins Ferry-OH/Elwood City-PA, Co. Operated: 1888-96), Introduced: 1891 Introduced

• Motifs: (Bands/Rings), (Swirls/Spirals)