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Expert Profile: Bob Berry

Expertise:  Questions related to collecting Glass Insulators and porcelain insulators - I can provide historical information as well as current collector values. I am also interested in purchasing insulators I need for my collection.

Experience in the area
I have collected since the early 1970's and have much historical information, as well as knowledge of current insulator values.

Organizations
National Insulator Association (http://www.nia.org)

Education/Credentials
BS & MS in Electrical Engineering

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What do you like about this subject?  Insulators date back to the 1840's for Telegraph, 1870's for Telephone, and 1890's for electrical transmission. There is a tremendous amount of history represented by these everyday objects!
Average Ratings
Prestige Points: 2812
Knowledge   9.95   Best of the best
Clarity of Response   9.95   Best of the best
Timeliness   9.86   Best of the best
Politeness   9.97   Best of the best
Number Of Questions
(in Past 24 Hours)
0
Max Questions to be Asked
(in 24 Hour period)
5
Total Questions
(since joining AllExperts)
225
Recent Reviews from Users
KnowlClarityTimePolitenessDate
1010101009/30/08
1010101009/19/08
1010101009/11/08
1010101009/09/08
1010101008/14/08
User Comments
Thanks so much! I found it in the Bahamas where I live and do a little exploring for antiques.
(Crystal on 09/30/08)
Thank you Bob. Very helpful and exactly the type of information I needed.
(Shane on 09/19/08)
Thanks so much. What a great service this is! I'll be using this more.
(Diane on 09/11/08)
THANKS !!
(RICK on 09/09/08)
Expert, quick, and very very nice! Thank you.
(Sue Workman on 08/14/08)
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Ask a Question       View Past Answers       View Ratings            

Recent Answers from Bob Berry
2008-10-04  Pyrex 663 Thanks Bruce -- I'm still very interested in a couple more pictures -- a top view and maybe one looking up showing the base. It is interesting that the carnival coating seems heavier on the top - not...
2008-09-30  Duggan PTD November 14, 1893 No. 3 Hi -- Thanks for your question. I assume your insulator is made of white porcelain? The Duggan patent is for a cleat insulator designed to hold one or more wires, typically for indoor wiring. Here...
2008-09-24  Hemingray No. 12 glass insulator Hi -- Sorry for the delay, I was out of town last week. Embossing errors do typically command a premium over correctly marked pieces. These typically consist of miss-spellings, wrong patent dates...
2008-09-18  Ceramic insulator maker's mark Thanks for your question. The insulator logo is for the Locke insulator Company of Victor, NY. The word LOCKE and R=infinity" are inside the logo (might be hard to read). These date from the late teens...
2008-09-13  1888 American insulator Thanks for the picture - It confirms my belief it is a CD 145 style in a blue-aqua shade. I assume the second date is really 1883 and not 1888?? Should be: AM. INSULATOR CO. N.Y. DOUBLE PETTICOAT/PAT'D...
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