Publications for 04/1921

• Muncie, IND.; News of Local 23, Hemingray has stock on hand of insulator styles 40, 71, 72, 9 & 12
• Glass Insulators for High Voltages; Swiss Insulators
• Fred Crapo listed as alumni 1920
• Jeffery-Dewitt Insulator Company to have its insulators manufactured in France
• How Porcelain Insulators are Made
• Davidson Porcelain Company erected a new factory
• Everready Porcelain Company organized
• R. Thomas & Sons Company reducing burning costs with portable burner
• Fred Crapo of Hemingray to give lecture on insulators
• Davidson Porcelain Company makes the nail-assembled knob
• Brookfield factory site to be sold
• Whitall Tatum, Millville, New Jersey
• Brunt Tile & Porcelain Company changes its name