Insulator Profile - CD 128: Hemingray CSA, CSC, CSO

Insulator Profile: HEMINGRAY CSA, CSC, CSO
Copyright © 2007. All rights reserved.	CD:	128
	Manufacturer:	Hemingray
	Style Number:	22
	Trade Name:	CSC
	Size:	2 5/8" W x 4" H
	Weight:	16 oz.
	Production Date:	1940 - 1950's
	Usage:	Telephone (long distance)
	"Modern carrier circuits with their higher frequencies need this special insulator developed by Hemingray to meet carrier circuit needs, Its value has been proven by the many miles of telephone carrier circuits in which it is used today." "It is mounted on a special steel pin, cushioned by a lead sleeve, which screws into the insulator." "This insulator is well adapted for point transpositions in carrier circuits, with special brackets for supporting the insulators on the cross-arms."

Common Variations:
Colors:	Clear
Bases:	Smooth or Corrugated
Embossings:	(F-Skirt) HEMINGRAY/[Numbers and dots] (R-Skirt) C.S.A. (F-Skirt) HEMINGRAY/[Numbers and dots] (R-Skirt) C.S.C If your insulator has "numbers and dots" on it, you can find out more about them by reading this information about dating your insulator.

Uncommon Variations:
Colors:	Light Yellow
Embossings:	(F-Skirt) HEMINGRAY/[Numbers and dots] (R-Skirt) C.S.O.

Rare Variations:
Colors:	Lemon, Light Opalescent, Opalescent, White Milk
Embossings:	(F-Skirt) HEMINGRAY-CS/ (R-Skirt) E-14B (F-Skirt) HEMINGRAY-E.1. (R-Skirt) MADE IN U.S.A. {Inside of skirt is threaded}