1916
1918

1917

WWI U.S. Army Camp Telephone
WWI U.S. Army Camp Telephone
PDF: AT&T Annual Report, 1917
AT&T Annual Report, 1917
Ad: Starting a Telephone Talk
Starting a Telephone Talk
Video: Pelo Telefone (Donga)
Pelo Telefone (Donga)
PDF: Kellogg 1917 wood phone catalog
Kellogg 1917 wood phone catalog
Ad: Concentrate While Telephoning
Concentrate While Telephoning
PDF: Monarch 1917 catalog
Monarch 1917 catalog
Ad: When To Ask For INformation
When To Ask For INformation
Ad: Sharing Your Telephone
Sharing Your Telephone