A swift search of the internet will bring up websites where those books can be bought. The value could stem only from the reality that an insulator is a piece of United States history (or an additional country’s history) that is no longer being manufactured — a piece of “industrial archaeology”, so to speak. Or that perceived worth may well li…[Read more]

As long as the insulator performed it is duty adequately, the colour and minor imperfections in the glass were of small concern. These “marks of crudeness and age” now add to their value and charm to collectors of antique insulators. The force of demand largely determines how well an antique piece will sell. For that reason, the high demand for…[Read more]

These insulators also come with a letter B marked involving the wire groove and base. They also have the numbers 7,eight,ten,11,12 and function a dot at the leading. The CD 141.9 Emminger’s glass insulator is an all-time classic collectors, even seasoned ones, drool at the word Emminger’s. In addition to the dome-shaped leading, the insulator com…[Read more]