Rotring is a manufacturer of technical drawing tools and writing implements. Established in Germany in 1928 as a fountain pen manufacturer, Rotring went on to be acquired by Newell Brands in 1998. The
A technical pen is a specialized instrument used by an engineer, architect, or drafter to make lines of constant width for architectural, engineering, or technical drawings. Technical pens may use eit
Rotring
…on each pencil. Although stylographs never overtook fountain pens for use in writing, by 1953 the Rotring "Rapidograph" model became the prototypical technical pen of its age, establishing the Rapidograph Inc. in the United States one year later. Its technology virtually replaced the ruling pen and greatly simplified…
Staedtler technical pens
Staedtler technical pen divided in parts in comparison with 1 cent euro coin
Macro image of a 0.7 mm Rotring Rapidograph nib showing the flow control wire