https://reference.insulators.info/publications/view/?id=2564
Nov 13, 1909 : Diamond Glass Company, Montreal, Canada - A Good Run was Recorded at Diamond Glass...
Keywords: Diamond Glass Company; Year: 1909; Publication: The Commoner and Glassworker; Type: Trade Journal; Status: complete; City: Pittsburgh; State: PA;...
diamond glass companynovmontrealcanadagood