2026-06-07

Porcelain Marks and More - it is so nice to find a site like this in times like this. Today at flea markets I got a rusty caliper. I got it for €2, gave it a vinegar bath and cleaned it up. Now it is good as new. Then I looked up the year range for its D. R. P. number on that website, before I realized I can just find the actual patent registration from 1913. Like (Backed by OpenHeart protocol)