Research Division

Dear Dora, 

I'm enclosing a photo of a Calif. CD 178 in Royal Purple in hopes you or any of your readers can shed some light on it. I traded another insulator for it about a month ago. Since then I've asked other collectors their opinion on it and would welcome responses from other collectors in regards to this piece or ...                    [more]

Recording Information On Insulators

Very good drawings of insulators can be made through the mail with the use of a "shadow profile" and carefully measured dimensions as follows: 

Place the insulator over a sheet of paper on the floor directly below a ceiling light fixture. Plumb the true vertical with a length of string. ...                    [more]

Foreign Insulators

Indonesian Insulator Protector

I would like to share with you something that I have learned recently. The following information came from the Buerstetta family here in Houston. A friend of theirs, Colin Eldridge of Menlo Park, California, works for Bechtel, Inc., a large U.S. engineering firm. Since ...                    [more]