Why not visit these
Classic British antique telephones, dating from the early 1920's to the late 1970's
The opening to the American insulator collectors scene, a must for glass insulator collectors.
James Bancroft's growing collection of mainly UK insulators contains pictures and descriptions
Steven has a fantastic site with excellent clear and crisp images and some fanatastic finds, please take a look.
Gustavo has an impressive collection of insulators and telegraph related items, including many UK made items and some great metal clad insulators