[Trade Journal] Publication: Electrical Industries Chicago, IL, United States |
BUSINESS NOTES. · · Mr. J. E. Way, manager of the Chciago office of the R. Thomas & Sons Company, at 115 Dearborn St., reports the trade in the hard vitreous porcelain electrical supplies as very encouraging. The company has recently made large additions to its plant which adapts the works especially for the manufacture of porcelain electric telegraph, telephone and electric light supplies. No metallic oxides are used in the glazing as in ordinary china and earthenware. The process of manufacture makes it a thorough insulator. · · |
Keywords: | R. Thomas & Sons Company |
Researcher notes: | |
Supplemental information: | |
Researcher: | Bob Stahr |
Date completed: | June 18, 2009 by: Bob Stahr; |