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  1. Date code 5F is 1958. It may have every defect...

    Date code 5F is 1958. It may have every defect one can find in 64 year old equipment - or it may not

    I'll guess it takes NMTB 50 tooling. Easy to tell - the spindle flange with the face keys...
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    Just a number for that particular product. 14...

    Just a number for that particular product. 14 and 16 used M-1696.

    Older products had smaller M numbers

    At the very least, it gave the bean counters an "account number" to charge expenditures...
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    M-1694 is a 12" Model C Lathe

    M-1694 is a 12" Model C Lathe
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    M-1694 is 12" Model C lathe

    M-1694 is 12" Model C lathe
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    How's chances of photos of the selecting levers...

    How's chances of photos of the selecting levers and their positions in relation to the QC box? At least we can see how it was done on the "F" style Pacemakers

    Here is a rotated chart

    339921
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    Do note pages 26 and 27 ( in Bulletin 20) are...

    Do note pages 26 and 27 ( in Bulletin 20) are about SHIFTING - and I'll have to guess that is from Imperial to Metric and back again

    These folks may have more info or even parts - no doubt with...
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    The for real Monarch oversize steady is a real...

    The for real Monarch oversize steady is a real treasure
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    Older Parts book (Bulletin 20) show metric...

    Older Parts book (Bulletin 20) show metric gearing (and parts) for entire QC gear box pages 22 , 23. 26 and 27 in that Bul. 20

    Thanks to Greg Menke, we have this
    ...
  9. Need to see this front stuff - like on this N ...

    Need to see this front stuff - like on this N

    339806
  10. How are chances of a good photo of the apron? We...

    How are chances of a good photo of the apron? We could determine if it was N or O series. O has single wall apron, N has double wall

    The pan and collet rack and T/A strongly suggest TOOLROOM...
  11. T slotted saddle says Series O or N N brochure...

    T slotted saddle says Series O or N

    N brochure from '31

    http://www.wswells.com/data/bulletin/bulletin_200/bl_200.pdf

    thanks to Mr. Wells for hosting it for me
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    Since it moves along some helix .255 in 22.5...

    Since it moves along some helix .255 in 22.5 degrees of rotation. A full turn would get you 16* times .255 or 4.08. To come up with a helix angle you would need a dia..where the machining in going...
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    Remind me to hand you the chuck wrench for the 8"...

    Remind me to hand you the chuck wrench for the 8" chuck on the K&T DH next time:D
  14. Nothing so fancy in my old pub, but I would guess...

    Nothing so fancy in my old pub, but I would guess any meter would be to give one an idea of how hard you are working the electrics - a brother it would seem to any visual or audible warnings

    The...
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    Here is a 16 with the banjo Metric Threads on...

    Here is a 16 with the banjo

    Metric Threads on a 16" SB

    have fun
  16. They might like more info - like is it old with...

    They might like more info - like is it old with plain quill or is it later with the ball roll quill? They also might like to know it weighs close to 15,000, and can easily approach 120" high

    Here...
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    Get down to basics - like the over all ratio...

    Get down to basics - like the over all ratio compared to the 6 TPI lead screw

    20 TPI is 3 1/3 to 1 (.16666 / .050 )

    19 TPI is very close to 3 1/6 to 1 (.16666 / .05263 )

    And work from there...
  18. And old me will offer free related consulting...

    And old me will offer free related consulting services as long as I have the mental wherewithal:D - should they be wanted
  19. Maybe that 20,000 Lb 137 year old Putnam:D ...

    Maybe that 20,000 Lb 137 year old Putnam:D

    339480
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    Great! Old man Mitchell is smiling down

    Great! Old man Mitchell is smiling down
  21. GK - just so everyone is up to speed - it either...

    GK - just so everyone is up to speed - it either needs years of dedicated "remaking" or it needs promptly to go to scrap. I just ran out of the dedicated remaking time. :D Eighty-second birthday is...
  22. Next to last one in 1964 Have 52Mb manual for...

    Next to last one in 1964

    Have 52Mb manual for the earlier ones if you don''t come up with something newer
  23. Thread: 4140 ht dce

    by johnoder
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    Nope - especially since you decided it was DCF ...

    Nope - especially since you decided it was DCF

    Weight wise its a rip - it weighs almost exactly 3.4 Lbs and dividing that into 36 = $10.59 per pound

    All that is really important is that you...
  24. Thread: 4140 ht dce

    by johnoder
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    Which just means they paid enough attention...

    Which just means they paid enough attention during HT to NOT let surface become "soft"

    C32 - 33 is already not very hard :D
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    12" CK or close cousin (you can see the "hump" on...

    12" CK or close cousin (you can see the "hump" on QC for lead screw reverse). The 14.5 is its actual swing
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