This device is called the Leroy Lettering set, and it was quite popular starting from the 1930s. Essentially, it’s a transfer tool: you trace a letter with one part of the mechanism along a stencil, while the other part reproduces the letter in ink. It was possible to adjust the thickness of the le

Source • Posted on 2025/09/21 • Report as duplicate • Report

r/damnthatsinteresting u/RedMolek