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Glad to see this is catching on. Now someone figure out how to make the rosette collars of the 1830s.

You'll typically find H2O2 in 30% concentrations max for lab grade applications (look at Fisher or Sigma Aldrich - not sure if they sell to the general public though). I'd be very scared of a 75%...

I'm interested too! I also have access to a hot press all the way up to 1400 C and 1 GPa, maybe I can work something out with that...

I know this is an old thread, but we just found this image and I wanted to compile it here. This is from Perret's book from 1771 (L'Art du Coutelier) and shows the method at the time for making these...

It's something to think about for sure, but usually there needs to be a solution around the 2 metal parts for serious corrosion to take place. So unless someone is soaking the razor in water I think...

The problem for me is that my cutting tools are too big to fit in to make the holes for the female end. I would probably need to make a couple new bits for that but don't have the experience. Right...

I have a set like that, and that would be fine for punching out circular blanks. What I was thinking of for a female end was more of an inverted copy of the 3-tiered stack so that you could push the...

The brass was 0.005" thick (I haven't checked an authentic one on a caliper for comparison but it's pretty close.) As far as other measurements, I get the feeling that these weren't standardized much...

As far as I can tell from my caliper, 0.005" thick. Don't have the original package to be sure.

Continued.

So for fun, guess which one is the repro (well it's pretty obvious, but still for comparison):

117153

The system worked great with the under-collar for support, just like the...

Hi all, this has been a work in progress for a long while and I finally got all the kinks worked out, so thought I'd write up a post (it's long). I've been trying to replicate the authentic triple...