Thread: Joseph Elliot's Patent Concave Razor

Originally Posted by ScienceGuy

I think at one point it was called a concave grind, I've seen a number like this. It's a typical wedge grind, but then the blade was turned 90 degrees and ground to take out the lower part. So it's all one piece of steel.

I agree. The etching on the feather edge refers to concave as well. It's a neat grind.