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What is this sticking out of my wall?


Is this wall board made of dangerous material?TV wall mount ripped out, repair help pleaseWas this a shear wall?What is this metal button on the wall?I can't work out what this switch is forWhat type of wall texture is this?What is this mesh cover on the wall?What is this wall covering type?






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1















I've got this small thing (see attached pictures) in my wall that previous tenants have simply painted over. It's about 1 inch in diameter and has two smaller bumps on it. It also has two protruding notches on either side, one of which is visible in the upper right in the image. It feels rather hard and solid. Magnets do stick to it.



I'd like to pull it off/out of the wall, but my concern is that it might be something where it would be unsafe for me to do that or would be better left to a professional. In particular, I'm concerned it may be some old relic of the knob and tube which I know exists in my building. It could be a completely random/innocuous object, but I want to play it safe.



I've got two related questions.



  1. Can anyone give a guess as to what this is?

  2. If no one can determine what this is from the pictures, is there a way I can try to investigate this to determine if it's safe for me to pull off/out of the wall?

If it matters, the building is from the 1890's.



enter image description here



enter image description here










share|improve this question









New contributor



zephyr is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
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  • Can you take a photo from the side? Also, is it magnetic?

    – Mike Waters
    13 hours ago







  • 1





    Added, and yes.

    – zephyr
    13 hours ago






  • 2





    You could start by scraping the paint off and see what you get.

    – JACK
    12 hours ago






  • 1





    @MikeWaters This is on one of the walls in a bedroom. About 5 feet off the floor. This room is a third floor room. I don't know enough about the history of the house to know if they had gas lighting fixtures, but it's not impossible I think.

    – zephyr
    12 hours ago






  • 1





    @JACK I'll try that. I was afraid to scrape, but when I can I'll do that and report back.

    – zephyr
    12 hours ago

















1















I've got this small thing (see attached pictures) in my wall that previous tenants have simply painted over. It's about 1 inch in diameter and has two smaller bumps on it. It also has two protruding notches on either side, one of which is visible in the upper right in the image. It feels rather hard and solid. Magnets do stick to it.



I'd like to pull it off/out of the wall, but my concern is that it might be something where it would be unsafe for me to do that or would be better left to a professional. In particular, I'm concerned it may be some old relic of the knob and tube which I know exists in my building. It could be a completely random/innocuous object, but I want to play it safe.



I've got two related questions.



  1. Can anyone give a guess as to what this is?

  2. If no one can determine what this is from the pictures, is there a way I can try to investigate this to determine if it's safe for me to pull off/out of the wall?

If it matters, the building is from the 1890's.



enter image description here



enter image description here










share|improve this question









New contributor



zephyr is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.





















  • Can you take a photo from the side? Also, is it magnetic?

    – Mike Waters
    13 hours ago







  • 1





    Added, and yes.

    – zephyr
    13 hours ago






  • 2





    You could start by scraping the paint off and see what you get.

    – JACK
    12 hours ago






  • 1





    @MikeWaters This is on one of the walls in a bedroom. About 5 feet off the floor. This room is a third floor room. I don't know enough about the history of the house to know if they had gas lighting fixtures, but it's not impossible I think.

    – zephyr
    12 hours ago






  • 1





    @JACK I'll try that. I was afraid to scrape, but when I can I'll do that and report back.

    – zephyr
    12 hours ago













1












1








1








I've got this small thing (see attached pictures) in my wall that previous tenants have simply painted over. It's about 1 inch in diameter and has two smaller bumps on it. It also has two protruding notches on either side, one of which is visible in the upper right in the image. It feels rather hard and solid. Magnets do stick to it.



I'd like to pull it off/out of the wall, but my concern is that it might be something where it would be unsafe for me to do that or would be better left to a professional. In particular, I'm concerned it may be some old relic of the knob and tube which I know exists in my building. It could be a completely random/innocuous object, but I want to play it safe.



I've got two related questions.



  1. Can anyone give a guess as to what this is?

  2. If no one can determine what this is from the pictures, is there a way I can try to investigate this to determine if it's safe for me to pull off/out of the wall?

If it matters, the building is from the 1890's.



enter image description here



enter image description here










share|improve this question









New contributor



zephyr is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.











I've got this small thing (see attached pictures) in my wall that previous tenants have simply painted over. It's about 1 inch in diameter and has two smaller bumps on it. It also has two protruding notches on either side, one of which is visible in the upper right in the image. It feels rather hard and solid. Magnets do stick to it.



I'd like to pull it off/out of the wall, but my concern is that it might be something where it would be unsafe for me to do that or would be better left to a professional. In particular, I'm concerned it may be some old relic of the knob and tube which I know exists in my building. It could be a completely random/innocuous object, but I want to play it safe.



I've got two related questions.



  1. Can anyone give a guess as to what this is?

  2. If no one can determine what this is from the pictures, is there a way I can try to investigate this to determine if it's safe for me to pull off/out of the wall?

If it matters, the building is from the 1890's.



enter image description here



enter image description here







walls






share|improve this question









New contributor



zephyr is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.










share|improve this question









New contributor



zephyr is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.








share|improve this question




share|improve this question








edited 13 hours ago







zephyr













New contributor



zephyr is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.








asked 13 hours ago









zephyrzephyr

1063 bronze badges




1063 bronze badges




New contributor



zephyr is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.




New contributor




zephyr is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.

















  • Can you take a photo from the side? Also, is it magnetic?

    – Mike Waters
    13 hours ago







  • 1





    Added, and yes.

    – zephyr
    13 hours ago






  • 2





    You could start by scraping the paint off and see what you get.

    – JACK
    12 hours ago






  • 1





    @MikeWaters This is on one of the walls in a bedroom. About 5 feet off the floor. This room is a third floor room. I don't know enough about the history of the house to know if they had gas lighting fixtures, but it's not impossible I think.

    – zephyr
    12 hours ago






  • 1





    @JACK I'll try that. I was afraid to scrape, but when I can I'll do that and report back.

    – zephyr
    12 hours ago

















  • Can you take a photo from the side? Also, is it magnetic?

    – Mike Waters
    13 hours ago







  • 1





    Added, and yes.

    – zephyr
    13 hours ago






  • 2





    You could start by scraping the paint off and see what you get.

    – JACK
    12 hours ago






  • 1





    @MikeWaters This is on one of the walls in a bedroom. About 5 feet off the floor. This room is a third floor room. I don't know enough about the history of the house to know if they had gas lighting fixtures, but it's not impossible I think.

    – zephyr
    12 hours ago






  • 1





    @JACK I'll try that. I was afraid to scrape, but when I can I'll do that and report back.

    – zephyr
    12 hours ago
















Can you take a photo from the side? Also, is it magnetic?

– Mike Waters
13 hours ago






Can you take a photo from the side? Also, is it magnetic?

– Mike Waters
13 hours ago





1




1





Added, and yes.

– zephyr
13 hours ago





Added, and yes.

– zephyr
13 hours ago




2




2





You could start by scraping the paint off and see what you get.

– JACK
12 hours ago





You could start by scraping the paint off and see what you get.

– JACK
12 hours ago




1




1





@MikeWaters This is on one of the walls in a bedroom. About 5 feet off the floor. This room is a third floor room. I don't know enough about the history of the house to know if they had gas lighting fixtures, but it's not impossible I think.

– zephyr
12 hours ago





@MikeWaters This is on one of the walls in a bedroom. About 5 feet off the floor. This room is a third floor room. I don't know enough about the history of the house to know if they had gas lighting fixtures, but it's not impossible I think.

– zephyr
12 hours ago




1




1





@JACK I'll try that. I was afraid to scrape, but when I can I'll do that and report back.

– zephyr
12 hours ago





@JACK I'll try that. I was afraid to scrape, but when I can I'll do that and report back.

– zephyr
12 hours ago










1 Answer
1






active

oldest

votes


















4
















Given age of building, shape and "magnets stick to it" I'm going with old gas pipe.



Old gas pipe is not generally something you want to mess with, especially if your use of "tenants" implies rental rather than ownership. Hang a picture so it's covered, or something like that, and forget about it.



If you own rather than rent, and can trace and verify that the gas pipe in question is ACTUALLY, for sure, disconnected, you can remove it, but it's a fair amount of work.






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    1 Answer
    1






    active

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    1 Answer
    1






    active

    oldest

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    active

    oldest

    votes






    active

    oldest

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    4
















    Given age of building, shape and "magnets stick to it" I'm going with old gas pipe.



    Old gas pipe is not generally something you want to mess with, especially if your use of "tenants" implies rental rather than ownership. Hang a picture so it's covered, or something like that, and forget about it.



    If you own rather than rent, and can trace and verify that the gas pipe in question is ACTUALLY, for sure, disconnected, you can remove it, but it's a fair amount of work.






    share|improve this answer





























      4
















      Given age of building, shape and "magnets stick to it" I'm going with old gas pipe.



      Old gas pipe is not generally something you want to mess with, especially if your use of "tenants" implies rental rather than ownership. Hang a picture so it's covered, or something like that, and forget about it.



      If you own rather than rent, and can trace and verify that the gas pipe in question is ACTUALLY, for sure, disconnected, you can remove it, but it's a fair amount of work.






      share|improve this answer



























        4














        4










        4









        Given age of building, shape and "magnets stick to it" I'm going with old gas pipe.



        Old gas pipe is not generally something you want to mess with, especially if your use of "tenants" implies rental rather than ownership. Hang a picture so it's covered, or something like that, and forget about it.



        If you own rather than rent, and can trace and verify that the gas pipe in question is ACTUALLY, for sure, disconnected, you can remove it, but it's a fair amount of work.






        share|improve this answer













        Given age of building, shape and "magnets stick to it" I'm going with old gas pipe.



        Old gas pipe is not generally something you want to mess with, especially if your use of "tenants" implies rental rather than ownership. Hang a picture so it's covered, or something like that, and forget about it.



        If you own rather than rent, and can trace and verify that the gas pipe in question is ACTUALLY, for sure, disconnected, you can remove it, but it's a fair amount of work.







        share|improve this answer












        share|improve this answer



        share|improve this answer










        answered 11 hours ago









        EcnerwalEcnerwal

        60.5k2 gold badges48 silver badges101 bronze badges




        60.5k2 gold badges48 silver badges101 bronze badges
























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