1891 and 1914 engraving machines. 3:56 video. Captioned as:
https://www.youtube.com/watch?v=ynHtaqsvODsQuote:
That's Yann Pronier in the video using a 1914 old Duget “tour a guilloché” (rose engine) machine and the other is a 1891 old “ligne droite” (straight line) from Duget machine (an old french engine maker).
Previously:
https://www.homemadetools.net/forum/...543#post143044
https://www.homemadetools.net/forum/...370#post131307
