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  1. #1
    Staff
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    Marilynne's Avatar

    Manhole Covers Plus

    I've been seeing some interesting manhole covers on my bike rides. These aren't the really interesting ones, but it's a start.

    Care to join me?


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    › See More: Manhole Covers Plus



  2. #2
    Staff
    Super Mod
    Marilynne's Avatar

    Re: Manhole Covers Plus

    Water Cover

    Water Meter Covers
     

  3. #3
    Senior Member
    TedG954's Avatar

    Re: Manhole Covers Plus

    I like the idea.

    ​Do you know why manhole covers are round?
    Thanks/Like Marilynne Thanks/liked this post
     
    Nikon D800.....Sony A7RII.....Nikon D3300 (IR dedicated 590nm).....Sony A6000 APS-C........NEX 5T (IR dedicated 720nm) (and too many lenses)

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  4. #4
    Staff
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    Marilynne's Avatar

    Re: Manhole Covers Plus

    No, tell me.

  5. #5
    Senior Member
    TedG954's Avatar

    Re: Manhole Covers Plus

    Quote Originally Posted by Marilynne View Post
    No, tell me.

    ​By being round, with a lip, they are the only shape that can't fall back in to the hole.
     
    Nikon D800.....Sony A7RII.....Nikon D3300 (IR dedicated 590nm).....Sony A6000 APS-C........NEX 5T (IR dedicated 720nm) (and too many lenses)

    If you'd like to see more, please visit my gallery at:
    https://www.flickr.com/photos/[email protected]/

    Become an Organ Donor today: http://donatelife.net/register-now/ Save as many as 50 lives. Thanks.




  6. #6
    Senior Member
    nikonpup's Avatar

    Re: Manhole Covers Plus

    Quote Originally Posted by marilynne View Post
    i've been seeing some interesting manhole covers on my bike rides. These aren't the really interesting ones, but it's a start.

    Care to join me?


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    maybe a challenge pictures here or two.
    Thanks/Like Marilynne, grandpaw, TedG954 Thanks/liked this post
     

    https://www.flickr.com/photos/pups_pleasure/


  7. #7
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    Marilynne's Avatar

    Re: Manhole Covers Plus

    Quote Originally Posted by TedG954 View Post
    ​By being round, with a lip, they are the only shape that can't fall back in to the hole.
    Wikipedia lists your answer first and a bunch of other reasons.

    Manhole cover - Wikipedia, the free encyclopedia
    Thanks/Like RobV Thanks/liked this post
     

  8. #8
    Staff
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    Marilynne's Avatar

    Re: Manhole Covers Plus


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    Thanks/Like Michael J., grandpaw, Lawrence, JH Foto, Robin W Thanks/liked this post
     

  9. #9
    Staff
    Super Mod
    Marilynne's Avatar

    Re: Manhole Covers Plus


    This one is covered in Sea Grape pollen

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    Thanks/Like grandpaw, Sambr, Michael J., Lawrence, gusflores Thanks/liked this post
     

  10. #10
    Senior Member
    Michael J.'s Avatar

    Re: Manhole Covers Plus

    It's an very intersting thread. Never knew that so many different cover- faces.
    Thanks/Like Marilynne, Lawrence Thanks/liked this post
     
    Michael J.
    Camera: Olympus em5 ii
    Lenses: Olympus 12-40mm f/2.8 PRO, Olympus 40-150mm f4-5.6


    Don't get confused between my personality and my attitude. My personality is who I am, my attitude depends on who you are.





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