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Thread: High-quality black-and-white photographs of large old machines and tools

  1. #651
    Jon
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    Wire mesh machine. Donora, PA. 1915-1917.

    Fullsize image: https://s3-us-west-1.amazonaws.com/h...e_fullsize.jpg


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    carloski (Jan 30, 2022), jimfols (Jan 23, 2022), Toolmaker51 (Jan 23, 2022)

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    Supporting Member Toolmaker51's Avatar
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    Wow, all that feed and assembly mechanism, while maintaining wire under tension; lineshaft driven.
    Sincerely,
    Toolmaker51
    ...we'll learn more by wandering than searching...

  4. #653
    Jon
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    Puddling furnace. Jones & Laughlin Steel Corporation. November, 1886.

    Fullsize image: https://s3-us-west-1.amazonaws.com/h...e_fullsize.jpg


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    Supporting Member hemmjo's Avatar
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    I had never heard of a Puddling furnace before this.

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    Puddleing Furnace

    Come on I give up What on Gods Earth is a Puddleing Furnace??? and I'm not keen to guess.

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    Supporting Member NeiljohnUK's Avatar
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    An explanation: https://www.revolutionaryplayers.org...dling-furnace/

    More information: https://en.wikipedia.org/wiki/Puddling_(metallurgy)

    Henry Cort lived ~ 500 Yards from my home, and I was a governor of the school my son's attended named in his honour!

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  10. #657
    Supporting Member Isambard's Avatar
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    I had a closer look and that mesh is spot welded! Lots of transformers there.
    Last edited by Isambard; Feb 1, 2022 at 09:02 AM.

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    Supporting Member jimfols's Avatar
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    Quote Originally Posted by NeiljohnUK View Post
    An explanation: https://www.revolutionaryplayers.org...dling-furnace/

    More information: https://en.wikipedia.org/wiki/Puddling_(metallurgy)

    Henry Cort lived ~ 500 Yards from my home, and I was a governor of the school my son's attended named in his honour!
    Thanks for posting this.

    This from the Wikipedia page: Puddling was never able to be automated because the puddler had to sense when the balls had "come to nature".

    Quite a few years ago I purchased the book "Sloss Furnaces and the rise of the Birmingham District".
    It was nice to dig the book out again and reread the parts I had glossed over about Puddling.
    Jim

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    Supporting Member marksbug's Avatar
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    Big hot balls of iron. thats pertty neet, and to be able to figure that out was a true stroke of a genius. and Eveolution continues.

  13. #660
    Jon
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    Plate leveler. United States Steel Corporation. 1935.

    Fullsize image: https://s3-us-west-1.amazonaws.com/h...n_fullsize.jpg


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