The hectograph, gelatin duplicator or jellygraph is a printing process that involves transfer of an original, prepared with special inks, to a pan of gelatin...

copying. The spirit duplicator coexisted alongside the mimeograph and the hectograph, devices with a similar purpose but different operation. The spirit duplicator...

process was a mimeograph. Mimeographs, along with spirit duplicators and hectographs, were common technologies for printing small quantities of a document...

philograph (tracing an original through a transparent plane), photostat, hectograph, or lithograph were used to create facsimiles. More recently, facsimiles...

Aquatint 1772 Lithography 1796 Chromolithography 1837 Rotary press 1843 Hectograph 1860 Offset printing 1875 Hot metal typesetting 1884 Mimeograph 1885 Daisy...

machine was similar to roller copiers but copied onto loose-leaf paper. The hectograph introduced in 1876 or shortly before, was a technology in which a dye-impregnated...

publishing the periodical Rhode Island Journal of Astronomy, using the hectograph printing method. Lovecraft went in and out of elementary school repeatedly...

Crystal violet or gentian violet, also known as methyl violet 10B or hexamethyl pararosaniline chloride, is a triarylmethane dye used as a histological...

Aquatint 1772 Lithography 1796 Chromolithography 1837 Rotary press 1843 Hectograph 1860 Offset printing 1875 Hot metal typesetting 1884 Mimeograph 1885 Daisy...

illegal print shop of his own that could produce better results than a hectograph could provide. Preobrazhensky attempted to set type for a pamphlet reproducing...