|
This style is a carrier circuit insulator used for long distance telephone lines and was used in conjunction with a special steel pin with a lead lining (hence the "C" for Carrier Circuit and "S" for Steel pin; the meaning of "A", "O", and second "C" are unknown.) This style was also assigned the No.22CSC style number in 1942-1944, but no specimens exist with this style number.
Primary Embossing:
|
HEMINGRAY
|
Dates Produced:
|
c.1930s-1950s |
| Style Numbers: | CS, CSA, CSC, CSO, E1 |
| Usage:
|
Telephone Long Distance
|
|
. This style has almost identical mold features to the E.1., but has no threading inside the skirt.
(R-Skirt) _14B {Note '14B' style number}
