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  1. #1
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    Default Lathe info needed

    can anyone tell me where i could fine tha serial number on this 20" ATW?? i found the number on the lodge and shipley, it seems to be a 1910 J30" patent head.
    Attached Thumbnails Attached Thumbnails img_20190829_131155987.jpg   img_20190829_131212898.jpg   img_20190829_131301026.jpg   img_20190829_131337250.jpg   img_20190829_135006146_hdr.jpg  


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    A few more....
    Attached Thumbnails Attached Thumbnails img_20190829_145329276_hdr.jpg   img_20190829_145337635_hdr.jpg   img_20190829_145345922_hdr.jpg   img_20190829_163149694.jpg  

  3. #3
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    can anyone tell me where i could fine tha serial number on this 20" ATW??
    Right end stamped into FRONT VERTICAL FACE of front way. It has the L type spindle nose, so late thirties at oldest

    12 speed High Duty

    Patent Heads are in abundance - must of been a good one to keep around. Thumbnail from 1910
    Attached Thumbnails Attached Thumbnails 055.jpg  

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    Thanks found it!
    Attached Thumbnails Attached Thumbnails img_20190831_143208982.jpg   img_20190831_143200739.jpg  

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    And the two end numbers say it was made in 1940

    Here is a little info thanks to Greg Menke

    http://pounceatron.dreamhosters.com/...in-1938-si.pdf

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    what do all the other numbers mean? looking up the 61985 says its build in 1938?

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    Quote Originally Posted by MTMCo View Post
    what do all the other numbers mean? looking up the 61985 says its build in 1938?
    Don't know - some contract numbers maybe. Most of time just the five digit serial and the two digit date

    You are right about 1938. Another unexplained thing looking us in the eye

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    I got a 4 jaw independent Chuck that came with it, the lock plugs that push into the back and hold the screws in are broken and seem to be super hard. Does anyone know where I could get Chuck parts? I'll post some pics tonight of the Chuck.

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    chuck pictures
    Attached Thumbnails Attached Thumbnails img_20190813_151605380.jpg   img_20190813_151724295.jpg   img_20190813_151617896_hdr.jpg   img_20190813_151708768.jpg  

  11. #10
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    That is the L2 spindle nose size and I expect that chuck is as old as the lathe

    Make some new ones (the screw holders) from 4140 pre hard and get on down the road - or do yourself a favor and get a new Bison or similar quality chuck

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  13. #11
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    If actually L2 draw back nut will be 9 3/8" O.D. like in thumbnail. Might be a good idea to confirm that if you go chuck shopping
    Attached Thumbnails Attached Thumbnails l-type-nuts.jpg  

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    thanks i think i might have found some new thrust bearings for this chuck to get by for now. i dont really want to buy a chuck for 10 times what i paid for 2 lathes.

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    Can anyone give me an idea how much oil is in the headstock? Looks like a lot.

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    Quote Originally Posted by MTMCo View Post
    Can anyone give me an idea how much oil is in the headstock? Looks like a lot.
    My somewhat larger 24" L&S has 8 gallons. I would imagine a 20" ATW is going to use up most of a five gallon bucket - at least.

    I'd use ISO 46 - similar to Mobil DTE Medium
    Last edited by johnoder; 09-12-2019 at 08:01 AM.

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