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  1. #1
    Senior Member Bottle Master WesternPA-collector's Avatar
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    B&O porcelain Insulator

    I just received this today but don't know a whole lot about the CD# or what company made it. It's the first insulator I have with a railroad actually imprinted onto it. It came from Deer Park, Maryland and was used on a 440 volt power line for the older color position light signals. Has anyone seen one like this before?
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    Last edited by WesternPA-collector; 11-27-2019 at 10:48 PM.
    Trying to save history, one bottle at at time.

  2. #2
    Junior Member New Bottler
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    Wow, that's a terrific find! Definitely does not have the shape of any insulator I've uncovered, never mind porcelain. Hemmingray and Brookfield are all I have found.

  3. #3
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    Yes I have seen these before at insulator shows. they always come in white and usually sell between $10-$20. They were manufactured by Porcelain Products Co. Nice piece!..

    Eric

  4. #4
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    I forgot to add that porcelain units are identified as U-# or M-#, the B&O piece is a U-293A


    Eric

  5. #5
    Senior Member Bottle Master WesternPA-collector's Avatar
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    Quote Originally Posted by slugplate View Post
    Wow, that's a terrific find! Definitely does not have the shape of any insulator I've uncovered, never mind porcelain. Hemmingray and Brookfield are all I have found.
    Thanks I'm pretty happy with it!
    Trying to save history, one bottle at at time.

  6. #6
    Senior Member Bottle Master WesternPA-collector's Avatar
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    Quote Originally Posted by eric70 View Post
    I forgot to add that porcelain units are identified as U-# or M-#, the B&O piece is a U-293A


    Eric
    Thanks for your help with the info Eric. I'll probably be posting other insulators too.
    Trying to save history, one bottle at at time.

  7. #7
    Member New Bottler
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    No problem at all, happy to help out...I look forward to seeing what other insulators you might have...I am always up for swapping bottles for insulators or insulators for insulators, or if I am interested I may be willing to buy some of your insulators. you may have seen some of my other posts in wanting insulators so you'll know that i don't care if you have common units, if i can use them for any of the various studies that i have going on then I will take them....

    Eric



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