Publications for 00/1921

• Brookfield Glass Company listing
• Hemingray listing
• LU 23 delegates Cyrus Herron & Henry A. Barth; Insulator Dept. Report
• Branch Statistics
• Battery and Electrolytic Insulators
• Lynchburg Listing
• Whitall Tatum Company listing
• Corning Glass Works listing
• Gayner Glass Works listing
• McBride Glass Company listing
• Dominion Glass Company listing
• D. C. Jenkins Glass Company listing
• H. C. Fry Glass Company listing
• Hemingray listing
• Whitall Tatum listing
• Corning listing
• Gayner listing
• Brookfield listing
• Dominion Glass Co. listing
• H. C. Fry listing
• Lynchburg listing
• D. C. Jenkins listing
• McBride Glass Co. listing
• Rodefer listing
• Brookfield listing
• Corning listing
• D. C. Jenkins listing
• Dominion Glass Co. listing
• H. C. Fry listing
• Hemingray listing
• Lynchburg listing
• McBride Glass Co. listing
• Rodefer listing
• Whitall Tatum listing
• California Glass Insulator Co. used sand from Del Monte, CA