| | CD311-Cochrane Purple Montana Stackers
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Dear Dora,
Enclosed is a photo of Montana Stackers insulators I received a few months ago. Many of your readers probably
heard of the purple bells in a suspension unit in the set of 6 bells. Well, I would like to know how many of
your readers have heard of or have some of the purple bells in the set of 10. This set is a switch insulator
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| | More About Star Glass Works
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| | by Jack Roberts
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I wrote you about six weeks ago about the Star Glass Co.
When I wrote you I also wrote New Albany. You sent me your
copies of C. J.'s and information that is contradictory to
the information of the past. I think we glass collectors
are faced with living without the true facts of the "star"
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| | CD133-Hemingray in Amber
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Dear Dora,
Just received my April "Crown Jewels". In your research section you got a letter
from Ken Herring stating he had a Hemingray #20 amber. Your reply to him was that
you thought it was a cobalt treatment.
I have two of the Hemingray 20 ambers for sale. They are not fake, and seem to be
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| | Info On Patents
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| | by George F. Lahm
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I have been wanting to write for quite a while, but just haven't had the time. Winter
was late in arriving, and, since I work for a highway department, this has been
keeping me busy, especially since February 1.
I have been looking up Patent information on insulators at Cornell University when I
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| | F H Withycombe
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| | by George F. Lahm
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Beginning text in patent document:
UNITED STATES PATENT OFFICE.
FREDERICK HENRY WITHYCOMBE, OF MONTREAL, CANADA, ASSIGNOR OF
ELEVEN-TWENTIETHS TO CLEMENT HENRY McLEOD, OF SAME PLACE.
DESIGN FOR AN INSULATOR.
SPECIFICATION forming part of Design No. 31,798, dated November 7, 1899.
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| | Montana's Power Insulators
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| | by Marv & Vicki Miller
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I'm writing this in hopes of answering some of the questions asked about Montana's
power insulators. Montana is best noted for its Muncies, Coolies and Stackers.
Muncie-9"-aqua and greenish aqua
A. F: Hemingray/patent May 2nd 1893
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| | C S Knowles
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| | by George F. Lahm
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The main patent that I wanted you to have is the Knowles
trademark. When I saw it in the Patent Records, I was hoping it
would turn out to be the Prism, now the Emerald. There was no
drawing in the book, only the mention of it being patented.
... [more]
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| | Information on Oakman Signals, Diamond-P and Other Boston Type Insulators
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| | by Joe Maurath, Jr,
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I recently acquired two-insulators of great interest that
I think few of us have heard of. These are CD 133 OAKMAN
signals. They are very similar to the CD 133 AM. INS. CO.
signals. In fact, some of the OAKMAN embossing is visible,
although mostly obliterated. I know of very few CD 133
... [more]
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