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Timing Diagram Tool?

Discussion in 'CAD' started by Jim Thompson, May 7, 2007.

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  1. xray

    xray Guest

    Sounded thin. You made me check. My eraser shield, probably from the
    '60s, seems to be .0051" . (I have no way to measure just the areas
    close to my most frequent mistakes -- maybe a bit thinner.) Another case
    of the cheapening of modern products?

    Hmm. Just noticed there is a very slight cylindrical curve to the
    device. I was never instructed about that, or forgot, seems the proper
    application would be convex down?
  2. Maybe they didn't have the technology to make it that thin back then?
    Dunno, I don't recall any formal training in using a shield. I barely
    remember using a drafting table with the arm etc. in high school.
  3. Chuck Harris

    Chuck Harris Guest

    I don't think the curve was intentional. I think it was a result of
    punching all of those fancy shaped holes. My recollection is the concave
    side has all sorts of sharp burrs that will eat your eraser PDQ. I always
    used mine with the concave side down.

    -Chuck (Can 1970 really be that long ago? Damn!)
  4. Oh, that's what he meant. Yes, one side is rounded a tiny bit and the
    other has a sharp edge.
  5. Winfield

    Winfield Guest

    Bob pease talked about the sources for Teledeltos paper:
    His links didn't work for me, but the modern equivalents weren't
    hard to find. Sensitised Coatings, and
  6. qrk

    qrk Guest

    I always bent mine concave side down. Makes it easier to pick up.
  7. Joerg

    Joerg Guest

    When we moved out here we briefly had an apartment and thus cable TV.
    Then I discovered that there was one Episode of Gilligan's Island every
    morning at 6:30am or so. My wife said that I've got to be kidding...
  8. Joerg

    Joerg Guest

    Thanks! But it looks like Pasco has that weird habit of not disclosing a
    price until you key in your personal info, including school. So I guess
    it's academia only?
  9. Great show. Powering the radio from coconuts. Shame I was outbid on
    eBay for lunch with Mary Anne (benefiting charity, of course, she's
    such a goody-goody).

    Best regards,
    Spehro Pefhany
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