Publications for 04/1923

• RIDDLE: Production of porc. for elect. insulator-I
• Westinghouse porcelain insulator plant in Emeryville, CA is almost ready
• Fifteen Years Ago; Brookfield moved their offices to the U S Exchange Building
• Corning Glass Works, Corning, New York
• French glass firm to manufacture Pyrex
• D. C. Jenkins is not dead
• Pyrex glass in Chemical Industry, insulators mentioned
• Diamond Glass Company, Montreal, Canada
• Fifteen Years Ago; WGM closed for the season