once a msut-have apparatus for every office where document reproduction was required, the Roneo machine has now become obsolete technology.
"Roneo" is a portmanteau of Rotary Neostyle, which is the name of a rotary stencil duplicator manufactured by the US-based Neostyle Co in 1899
The Rotary Neostyle duplicator was one of the best-selling machines of its type and its name later become a generic term of the devices.
The rotary stencil duplicator, or mimeograph machine, is a predecessor to modern document reproduction devices, such photocopiers, offset printers and scanners.