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

  1. #561
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    Based on the size of their equipment its probably where they store their spanners

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  2. #562
    Supporting Member Isambard's Avatar
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    It appears as if 62" was the biggest diameter for solid blades, bigger were of the inserted variety. The motor on a 36" blade was 50 hp so they got to be big machines.
    I think your estimate to be about right, at 4'.

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  4. #563
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    Gang drill. Pittsburgh and Lake Erie Railroad Company. July, 1904.

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


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    cmarlow (Sep 26, 2021), jimfols (Sep 26, 2021), Toolmaker51 (Sep 28, 2021)

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    Bement, Miles & Co of Philadelphia, machine.

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    i wonder what the gang was drilling working on the railroad all the live long day. ...perhaps a tick tok's grand maws grand maws?

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    There are 3 rods and two arms on the horses in front of the drill table and one more of the arms still sitting on the drill table. Anybody have any idea of what they were for?
    Also, I see a pretty impressive set of change gears on top of those drills, almost like the back gear setup on a lathe. Are they to control the feed speed of the drill?
    Last edited by cmarlow; Sep 26, 2021 at 07:03 PM.

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    Supporting Member Isambard's Avatar
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    Due to long term renovations, storage is chaotic. Man alone does not help. :-(
    Anyway, tracked down a Bement cat that I have of era and the following is the
    specs of the machine above:

    Two-Spindle Locomotive Connecting Rod Drilling Machine:
    Designed for drilling at one time both ends of locomotive connecting and parallel rods.
    Distance between centers 10 feet max - 3 feet min.
    Power - Will drill 3-1/2" hole in solid material and bore a 9 inch hole. IMPRESSIVE!
    Spindles are independently driven, having 4 speeds, & 3 feeds through a distance of 15-1/2",
    Quick return motion, lever counterbalance and lateral adjustment on cross-slide by
    rack & pinion.
    Each spindle is adjustable vertically. two lube pumps.
    Countershafts & spanners thrown in.

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  11. #568
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    Distance between centers 10 feet max - 3 feet min.
    I look at these picture and my sense of scale is destroyed.

  12. #569
    Jon
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    1959 Milwaukee-Matic II, the first machine with a tool changer.

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


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    Toolmaker51's Tools
    Quote Originally Posted by Jon View Post
    1959 Milwaukee-Matic II, the first machine with a tool changer.

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

    And a small apartment...or large closet.
    Sincerely,
    Toolmaker51
    ...we'll learn more by wandering than searching...

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