Turning Archive 2007

Subject:
Thompson gouges

John Lucas
>I finally got to play with a low power microscope to look at the edges of my M2 gouge vs the Thompson CMPv10 gouge. It was only 70 power so I didn't learn a whole lot. The metal on both gouges was polished with a green compound. The Thompson gouge looks satin and the M2 looks mirror. Under 70 power the Thompson gouge actually looks smoother but it looks like cast iron. The M2 has little furrows but is shinier. Unfortunately I need maybe 500 or 750X to see the edge. They both look sharp at 70x. Hopefully tomorrow I'll go to the biology department and borrow a powerfull microscope.

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