1972 >> November  

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



Research Division



While out hunting insulators on the old Pennsylvania Railroad in the Terre Haute, Indiana, area, I came across an abandoned warehouse which was in operation in 1900, if not earlier, for storage of stock belonging to major business stores of Terre Haute. I was told by an ex-employee of Penn Central ...                    [more]


Porcelain Insulator News

   by Jack H. Tod


Note. I always answer letters promptly, but don't be surprised if an item you report gets in the column long after you've forgotten about it! For example, items reported after August ends are in copy made up and mailed at end of September. These are then sent from Chico to the publisher on the 10th of ...                    [more]


Patent Information




1. An insulator comprising a body having its upper end reduced and provided with a transversely extending opening and further having an inverted L-shaped recess terminating in one end of said opening, said upper portion of said body ...                    [more]


Large And Small Corning Pyrex Radio Glass Antenna Feed Thru Insulator Bowls

   by Brent Dingman


In 1928 these heavy yellow tinted glass insulator bowls (bushings) were used on large radio station towers, and the smaller ones were used by radio (HAMS) experimenters on their antenna systems. They were advertised in radio parts catalogs and QST (hams magazines) In the late 20's to 30's.

...                    [more]


Carter Patent



To all whom it may concern:

Be it known that I, George Washington Carter, a citizen of the United States, and resident of Canyonville, in the county of Douglas and State of Oregon, have invented certain new and use improvements, of which the following is a specification .

...                    [more]


CD 155 Hemingray 45



I am enclosing a sketch of the Hemingray #45 light straw or yellow tint (CD155) to use in your magazine. (See page following.)

I discovered the #45 clear (no drip points) and this CD design is very common, but I have never seen this color in any book or show. Out of 100 #45 ...                    [more]


Questions Answered By N R Woodward



Author of The Glass Insulator In America

A NOTE CONCERNING THIS COLUMN: Some of these questions are very late in getting answered, and we are sorry. We have had a very busy summer. Mr. Woodward was on vacation and traveling the latter part of the summer, so he was a little ...                    [more]

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