Unknown Glass Company No. 4/Unknown Location (Company Operated: Unknown) -

  Notes: Research points to one unknown company making different but related patterns. We designate this company as Unknown Glass Company No. 4 in order to easily access and show their different but related works.(based on identical standards) Possibly Riverside Glass Works.

Patterns by Unknown Glass Company No. 4/Unknown Location (Company Operated: Unknown)
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SPIRALS AND RIBS (AKA)

SPOKES (AKA)