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  1. Replies
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    The benefit of the slide rule is that in order to...

    The benefit of the slide rule is that in order to get the correct result you need to know math, not just arithmetic. E.g. since the slide rule gives no indication where the decimal point should go,...
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    Got a bunch more I need to find space for: ...

    Got a bunch more I need to find space for:

    http://www.os2.dhs.org/~john/stickers.jpg

    http://www.os2.dhs.org/~john/bike-stickers.jpg
  3. Replies
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    I've used these for several decades. Do they even...

    I've used these for several decades. Do they even teach reading a vernier scale anymore?

    http://www.os2.dhs.org/~john/vernier-caliper.jpg
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    Yup: ...

    Yup:

    http://www.os2.dhs.org/~john/SA-cone-spanner.jpg
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    Probably not exactly the same: ...

    Probably not exactly the same:

    http://www.os2.dhs.org/~john/not531.jpg



    Then there's the big one:

    http://www.os2.dhs.org/~john/shop.jpg
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    Toolbox, FTW: ...

    Toolbox, FTW:

    http://www.os2.dhs.org/~john/toolbox.jpg
  7. Replies
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    Mine look the same, and I was able to mount the...

    Mine look the same, and I was able to mount the cap from a 136R pedal onto a mod. 23 body.

    http://www.os2.dhs.org/~john/136r-23.jpg
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    Not regularly, but I did work ICU yesterday.

    Not regularly, but I did work ICU yesterday.
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    With the Campagnolo head, of course: ...

    With the Campagnolo head, of course:

    http://www.os2.dhs.org/~john/pump-head.jpg
  10. Replies
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    Mostly Med/Surg, but the only unit I've never...

    Mostly Med/Surg, but the only unit I've never worked is the Birth Center.
  11. Replies
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    Per diem RN at two local hospitals. Pay's better...

    Per diem RN at two local hospitals. Pay's better than the bike industry, I get to choose my work schedule, leaves more time for riding.
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    Indeed: ...

    Indeed:

    http://www.os2.dhs.org/~john/fixed-frame/2014.jpg
  13. Replies
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    What kind of hub and cog are you using that you...

    What kind of hub and cog are you using that you run out of threads for a lockring with a single cog installed?
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    Yup. I carry a spare tube, that VAR bead jack,...

    Yup. I carry a spare tube, that VAR bead jack, and this:

    http://www.os2.dhs.org/~john/peanutbutter.jpg
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    47x17 = 72.6, 17 skid patches 47x18 = 68.6, 18...

    47x17 = 72.6, 17 skid patches
    47x18 = 68.6, 18 skid patches
    47x19 = 65.0, 19 skid patches

    Makes you wonder why 47T chainrings aren't used more often.
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    Maybe there's a reason why traditional bike shoes...

    Maybe there's a reason why traditional bike shoes and bike shorts are black...
  17. Replies
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    You're welcome, and the mod. 45 axles are also...

    You're welcome, and the mod. 45 axles are also interchangeable with the mod. 23 axles if that becomes an issue.
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    But easily replaced by a trigger shifter, should...

    But easily replaced by a trigger shifter, should the need arise.
  19. That's my recollection as well. At least the...

    That's my recollection as well. At least the Aspin rims I have here are tubular, and the Gentleman rims I have are clincher.
  20. Replies
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    Your best bet may be to use the caps from a set...

    Your best bet may be to use the caps from a set of Lyotard mod. 45 or mod. 460 pedals instead. These were fairly common on French bikes BITD (certainly more common than the mod. 23 "Berthet" pedals)...
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    Not necessarily. My wife's TS Isaac is Italian...

    Not necessarily. My wife's TS Isaac is Italian thread but built in Boulder CO.
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    Probably not a diamond in the rough, but likely a...

    Probably not a diamond in the rough, but likely a very competent city bike. Puch in Austria made bikes under contract for a number of labels, including Sears ("Free Spirit") and others; your Senator...
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    I already own the vintage stuff, and it still...

    I already own the vintage stuff, and it still works fine. And bikes last longer than cars.
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    The pieces came with most of that already done by...

    The pieces came with most of that already done by the foundry. The one exception is the one-piece cast head tubes, where the gate was right in the front of the head tube and only crudely ground off....
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    Investment cast lugs not only require less...

    Investment cast lugs not only require less clean-up, but also offer much tighter tolerances than stamped lugs. This is particularly helpful with silver brazing. Trek's investment cast fittings were...
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