Glass insulators were 1st produced in the 1850's for use with telegraph lines. As technology sophisticated the glass insulator was applied for telephone wires and electrical wires. If you have close friends or family members who are interested in antiques, bottle...Read Full Post »
Glass insulators were very first produced in the 1850's for use with telegraph lines. Assorted glass insulators - colors contain clear, green and blue. In some cases an person mold can be identified by studying and comparing insulators that were made from it more than a considerable...Read Full Post »