Radio Antenna Insulators
Reprinted from "INSULATORS - Crown Jewels of the Wire", August 1969, page 27

These sketches were sent in by Arlene Harris and I believe they are used on radio antennas or wireless telegraph. If anyone has any other information on these, we would appreciate hearing it.

1.

Satin Glass, 2 Piece Mold. No name or date.

2.

Clear Glass, 2 Piece Mold.

One one end: L.S. BRACH MFG CO.

On other end: PAT APPLD FOR.

3.

White Porcelain, 2 Piece Mold.

No name or date.

Have others very similar in size, but in brown, blue & clear.

Have one marked clear glass A.G.K. No. 2 and one marked SENSORY ME. CO 3096 in brown.