1979 >> May  

Message to readers about contents for this month....



Paul Seiler

   by Fritz Kettenburg


An introduction to the Paul Seiler Electrical Works Catalogue of 1900 states that: "Paul Seiler, of this firm, has been in the electrical business on this coast since 1867." 

The earliest reference I've found to Paul Seiler working in the electrical business is with the firm of William ...                    [more]


"Threadless Corner" -- The First Transcontinental Telegraph Line

   by Ray Klingensmith


In the 1840's the telegraph industry had grown to unbelievable size in the eastern section of this country. Most major American cities east of the Mississippi were linked with the "magic wire". 

In the late 1840's, with the discovery of gold in California, there was a massive movement of people to the west coast. With ...                    [more]


More Telephotos

   by Richard A. Peterson


Enclosed you will find two different photographs that you can use for Crown Jewels magazine.

1. This insulator is a puzzle to me I will try and see if I can get information on this one from the San Francisco Electricity Dept. The base appears to be made of lignum vitae, and the top is a ...                    [more]


"Patent Pages" -- The Corkscrews

   by Ray Klingensmith


On May 1, 1883, Joseph S. Lewis of England was granted a U.S. patent for an insulator with a screw threaded exterior for the purpose of eliminating the need of a tie wire. (See patent copy.) instead of the usual tie wire being used, a horseshoe shaped clip could be attached to the line wire and placed at the top of the insulator. ...                    [more]


Questions Answered by N. R. Woodward

   Author of The Glass Insulator in America and originator of C.D. #'s (Consolidated Design Numbers)


Allen Klapaska, Hydes, Maryland, writes: I have come across an unusual CD 102. It is a Brookfield New York. As far as I know, the CD 102's come in 2 & 3 piece molds. But I have one with a 4 piece mold, and I have never seen or heard of any. At the left is a drawing of the CD 102 I ...                    [more]


Porcelain Insulator News

   by Jack H. Tod, NIA #13


Dear Jack:

First, I have a U-208 transposition with an incuse "LOCKE" marking on the flat crown. Can you give me a rough idea of the value of it? 

Secondly, can you tell me a rough value for a U-184 Harloe with the 3 embossed patent dates? Also, do you have any idea of how many are in ...                    [more]

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