Article, Arkansas oilstone,from the bureau of mines Arkansas,1895-96.

Article, Arkansas oilstone,from the bureau of mines Arkansas,1895-96.

Attachment 143634
Attachment 143635
Attachment 143636
Attachment 143637
Attachment 143638
Attachment 143639

-And the rest of the article.
Attachment 143640
Attachment 143641
Attachment 143642
Attachment 143643

I never realized that Washita stones were such a big deal.

Evidently Silicon Carbide stones and Diamond stones have now taken their place. I like Silicon Carbide stones a LOT more than the cheap Aluminum Oxide stones, btw.

Silicon Carbide > Soft Arkansas > Hard Arkansas > Black Arkansas, etc.