Gorgeous Plate Engraving Pics

In a Facebook post today from Bärenreiter-Verlag, they shared some images of the good-ol'-days of real plate engraving that I think any modern computer music engraver/copyist/etc. will appreciate. I know I do. This comes from the golden-era of music publishing, folks! I share them here for long-term enjoyment just in case the above post/pictures disappear from Facebook.