Synopsis
Principles of engraving are dramatized, showing that the tones of pictures result from high and low places on the engraver's plate.
Uploader's description on archive.org
Details
- Running time
- 8 minutes
- Collection
- Prelinger Archives
Principles of engraving are dramatized, showing that the tones of pictures result from high and low places on the engraver's plate.
Uploader's description on archive.org