Cutting a tsavorite gem from a 13.6 carat rough
Once the Onglette graver is secured in the wooden handle, I will get the 'feel' of the new blade. I must make sure all of the honed sides are equal on both side of the blade....
Smelting iron from ore by a smith family in West Africa. The only complete, high quality video of iron smelting in Africa. Making charcoal, digging ore and flux, building the ...
Using Alum to remove a broken drill bit from a brass part. McCormick Alum = Ammonium Aluminum Sulfate