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

  1. #311
    Supporting Member bruce.desertrat's Avatar
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    Quote Originally Posted by Toolmaker51 View Post
    In an odd way, this explains equipment and PILES loaded onto adjacent flat bed carts, in the photo rather clearly.
    https://steelmillmodelerssupply.com/...ngot-stripper/
    I'm honestly constantly amazed at the deep specialization of the hobby world. A store devoted to HO and N scale models of just steel mill equipment. The advent of 3D printers has been revolutionary for this niche.

    (all the photos of the actual parts they sell look like they're resin-printed. )

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    baja (Jan 12, 2021)

  3. #312
    Supporting Member marksbug's Avatar
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    where wood we bee with out them.

  4. #313
    Jon
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    Brass lathe at the McKees Rocks Machine and Erecting Shop. Pittsburgh and Lake Erie Railroad Company. 1904.

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


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    cmarlow (Jan 31, 2021)

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    Supporting Member IntheGroove's Avatar
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    DC motor and a large rheostat...

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    cmarlow (Jan 31, 2021)

  8. #315
    Jon
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    140" mill shears. Carnegie-Illinois Steel Company. Homestead, PA. 1942.

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


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  10. #316
    Supporting Member marksbug's Avatar
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    I like all the rollers...like snakes sticking their heads up to have a look to see whats for lunch.

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    volodar (Jan 24, 2021)

  12. #317
    Supporting Member Toolmaker51's Avatar
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    Quote Originally Posted by marksbug View Post
    I like all the rollers...like snakes sticking their heads up to have a look to see whats for lunch.
    Interesting too, swivel body casters not plate mounted or ball-transfers. Appears they swivel on each mounting post; and at least one seems to have a coil spring for height adjustment. Unsure how all those were leveled with shear platen, or extent how many we don't see.
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    ...we'll learn more by wandering than searching...

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    Supporting Member jdurand's Avatar
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    Leveling would be fairly easy. Start at machine and work your way back while dragging a piece of sheet metal behind you. If it rolls from where it starts to where you need it, you're done.

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    Toolmaker51 (Jan 24, 2021)

  15. #319
    Supporting Member Toolmaker51's Avatar
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    Quote Originally Posted by jdurand View Post
    Leveling would be fairly easy. Start at machine and work your way back while dragging a piece of sheet metal behind you. If it rolls from where it starts to where you need it, you're done.
    Agreed, but still wonder how well it works between big differences of weight and size.
    It does have me re-thinking a ball transfer table [tramming into plane] vs. individual posts, becoming the preference
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    ...we'll learn more by wandering than searching...

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    Gyratory crusher. Mesta Machine Company. West Homestead, PA.

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