What is a pony insulator?
What is a pony insulator?
The manufacturer of the “Pony” described it as a Western Union style of insulator “reduced in size but made to fit the same pin or bracket.” After 1885 this type of insulator was in general use on most long-distance lines.
What is a Hemingray insulator?
Hemingray was the world largest manufacture of glass insulators. The earliest Hemingray insulators are likely lightning rod insulators from the late 1850’s. The last Hemingray insulator was made in 1967.
What does CD mean for glass insulators?
Consolidated Design
Glass Insulators – CD (Consolidated Design)
What is the rare glass insulator?
Most Widely Desirable Scarce to Rare Glass Insulators
| Rank | CD | Description |
|---|---|---|
| 1 | CD 130.1 | Cal Elec Works, Cobalt Blue |
| 2 | CD 181 | NN (Pluto), Aqua |
| 3 | CD 123 | EC&M, Cobalt Blue |
| 4 | CD 151 | H.G.Co. NATCO, Peacock Blue |
How do you date Hemingray insulators?
All dots around the year code should be counted (a colon counts as two dots), and added to the date of mold manufacture. This gives the actual date the insulator was produced. Style 3 is the most common.
Are glass insulators still used?
During the 1960s, 1970s and 1980s many of these lines were dismantled as technology advanced. Today, a few lines using glass insulators are still in service, but are only a tiny percentage compared to the heyday of open wire communication.
What can I do with old glass insulators?
Delicate Projects That Repurpose Old Glass Insulators
- glass insulator candle-holder.
- the perfect lantern for hanging outdoors.
- a special candle ornament designed for your dinning room table.
- wood and glass merged into a vintage retro appealing candle.
- driftwood has been used for these special twin candles.
Is Cadmium an insulator?
Cadmium is grouped among the elements known as transition metals. Certain transition metals can act as both electrical conductors and insulators depending on slight alterations in their chemical structure.
