Old Brazilian Water Hones "Piedra Brazil" (Schist)
Found an old catalogue from 1888 were the Brazilian Hones are marketed directly on the oposite site of the German Water Hones (Escher). Interesting ist that these stones were sold in higher prices to this time then the German ones (7inch, 1,50 USD, German one 1,25 USD)...
Also it seems like that the company did a cooperation to with the supllier / the quarry owner as beeing the one and only seller....
My question is just in this thinking if anybody has a proper sample of a kind of "old Brazilian" Water Hone, because it seems
to be that these stones were great performers....
http://up.picr.de/17788668lw.jpg
http://up.picr.de/17822321as.jpg
Some Customer Statements from 1888:
http://up.picr.de/17822270ud.jpg
http://up.picr.de/17822202sx.jpg