View Full Version : How to identify a Norton?
12-15-2007, 09:08 AM
I inhereted some old stones. One is a ~7"x2" stone in an aluminum case that was very dirty. I washed it off with some dish detergend and discovered it is a Norton. However, if there was a grade marking, it has since worn off. Is there any way to identify the stone? It appears that it is NOT a dual grade stone (two glued together). it is sort of a brownish orangy color as far as I can tell (it's still a bit dirty, and I'm color deficient.)
12-15-2007, 10:47 AM
post a picture
12-15-2007, 11:04 AM
I'll try to get one up soon.
Orange-brownish sounds like a Norton India or perhaps Queer Creek. I think both are quite coarse.
12-16-2007, 11:17 AM
I like this one better
12-17-2007, 01:49 AM
Hmmm, I don't remember the norton commando having Ohlins suspension! :biggrin:
ok, since i've got nothing smart to add i'll tell you how i'd check the grit of a stone - hone something and look at the scratch marks under a microscope (before and after so that you know you're looking at the scratch pattern of that stone), their size will tell you the grit size.
12-18-2007, 10:28 AM
Older 8k Nortons may have also had that
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