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I have read the paper and discussed it here several times.

some could be pits, but I don't feel like looking again:) Quick. I believe you are seeing inclusions, often silica which is considered a desirable condition in the iron.

My comments have been strictly about content, gentlemen. There is nothing against the man in what i have said. I have respect for everyone that has posted here. ive read your posts;) I was full of...

Mr. Parker. I considered the tone of replies to be quite negative. Your text overall; contradictory.

right. as labeled: 1/2 mm scale. I may have read over a typo, but I thought it said. 1cm was enlarged to to fit 25cm screen which equaled an approximate 25X magnification.

Thank you for your reply Bart.

What I was referring to by animosity was the sudden turn to accusation of bias, fraud, ignorance. This in spite of the fact the description of the method...

You both are basing your opinion on what you think you see, rather than trusting his honesty? Even though he tells exactly what and how and why he did, (such as maintaing the position of the...

Quick,
In what ways they look different to you?

Both Mr. Parker and JimmyHAD questioned the time / strokes required. enlarging the photos of the second link in the post, i can read... it calculates to 80 lineal inches of stone by my reckoning. :D...

I think you are missing the point. It isn't an article on how to sharpen. It's only some pictures that demonstrate a method to determine the equivalent grit size of a given natural stone. So I...

Ah. This is only my opinion/impression from looking at the pictures and reading the text. The photo with the ruler is not meant as part of the continuum, only provided for a better sense of scale....

per Mr. AG. quote: "What I am photographing is the light reflecting off of the peaks with the contrast of the shadows in the valleys. "

So you can't really make an assessment of the size of the...

Hi Bart. If i get what it is you are looking at, there is not an unhoned part of the blade. What you are seeing is the weld line between the hard steel and iron

Hey Kris that site is a place where you can catch up on japanese stone information. There isn't tons and tons of info, but there just isnt tons and tons of info anywhere on the web.

This is an interesting approach
Japanese Woodworking Forums :: View topic - Grit Tests on Natural Stones and Shapton

...just thought i would bring it to your attention. Maybe someone wants to...