danthemarbleman Posted March 7, 2018 Report Share Posted March 7, 2018 I sometimes find it hard to decipher the differance between the Akro, Peltier and Mf slags. I understand the prominent '9' in the Mf's, but what if its not so defined.... what are the obvious differences to tell these 3 manufactures apart ? Link to comment Share on other sites More sharing options...
I'llhavethat1 Posted March 8, 2018 Report Share Posted March 8, 2018 Size can sometimes be a way, along with color. A pontil or prominent cut-off can also help narrow things down. Anything beyond that is a bit of a crapshoot Link to comment Share on other sites More sharing options...
danthemarbleman Posted March 8, 2018 Author Report Share Posted March 8, 2018 This one is 7/8". Would you call this a Mf Christensen. It vaguely represents a 9... i dont know Link to comment Share on other sites More sharing options...
slagmarble Posted March 14, 2018 Report Share Posted March 14, 2018 You can tell almost as much from the shear as you can the gather...lets have a look at the side directly opposite the one you've shown in your photograph. Link to comment Share on other sites More sharing options...
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