English-Thai Dictionary
siderography
N ศิลปะ การแกะสลัก เหล็กกล้า
Webster's 1828 Dictionary
SIDEROGRAPHY
n.[Gr. sidhroV, steel or iron, grajw, to engrave. ] and The art or practice of engraving on steel, by means of which, impressions may be transferred from a steel plate to a steel cylinder in a rolling press of a particular construction.
Webster's 1913 Dictionary
SIDEROGRAPHY
Sid `er *og "ra *phy, n. Etym: [Gr. -graphy.]
Defn: The art or practice of steel engraving; especially, the process, invented by Perkins, of multiplying facsimiles of an engraved steel plate by first rolling over it, when hardened, a soft steel cylinder, and then rolling the cylinder, when hardened, over a soft steel plate, which thus becomes a facsimile of the original. The process has been superseded by electrotypy.
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