A HISTORY OF THE KELLOGG SWITCHBOARD & SUPPLY COMPANY Chicago, Illinois

Source URL: pdfs.telephonearchive.com

• AT&T
• Monopolies
• Electronic engineering
• ITT Corporation
• Kellogg Switchboard & Supply Company
• Western Electric
• Kellogg
• Alcatel-Lucent
• Federal Telegraph Company
• Telephony
• Technology
• Bell System