Siderography
Definitions
1
Posts
1
Posters
78
Views
-
The art or practice of steel engraving; especially, theprocess, invented by Perkins, of multiplying facsimiles of anengraved steel plate by first rolling over it, when hardened, a softsteel cylinder, and then rolling the cylinder, when hardened, over asoft steel plate, which thus becomes a facsimile of the original. Theprocess has been superseded by electrotypy.
Explore More Definitions
Browse our collection of 300,000+ community-written definitions