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Siderotype — is an iron based photographic print. [http://books.google.com/books?id=J6QRAAAAIAAJ pg=RA2 PA622 dq=Siderotype lr= num=20 client=firefox a] The term was coined by Sir John Frederick William Herschel. [http://books.google.com/books?id=9 sEAAAAQAAJ … Wikipedia
Architectural reprography — covers a variety of technologies, media, and supports typically used to make multiple copies of original technical drawings and related records created by architects, landscape architects, engineers, surveyors, mapmakers and other professionals… … Wikipedia