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A ruling pen is a drawing instrument for drawing with ink or with other drawing fluids. Originally used for
A ruling pen contains ink in a slot between two flexible metal jaws, which are tapered to a point. It enables precise rendering of very thin lines. The line width can be adjusted by an adjustment screw connecting the jaws. The adjustment screw can optionally have a number dial.
A ruling pen is a drawing instrument for drawing with ink or with other drawing fluids. Originally used for technical drawing
Technical drawing, drafting or drawing, is the act and Academic discipline, discipline of composing Plan (drawing), drawings that Visual communication, visually communicate how something functions or is constructed.
Technical drawing is essent ...
s in engineering and cartography
Cartography (; from grc, χάρτης , "papyrus, sheet of paper, map"; and , "write") is the study and practice of making and using maps. Combining science, aesthetics and technique, cartography builds on the premise that reality (or an ...
together with straight rulers and French curves, it is today used for specific uses, such as picture framing
A picture frame is a protective and decorative edging for a picture, such as a painting or photograph. It makes displaying the work safer and easier and both sets the picture apart from its surroundings and aesthetically integrates it with them. ...
or calligraphy.
Description
A ruling pen contains ink in a slot between two flexible metal jaws, which are tapered to a point. It enables precise rendering of very thin lines. The line width can be adjusted by an adjustment screw connecting the jaws. The adjustment screw can optionally have a number dial.
History
In theSoviet Union
The Soviet Union,. officially the Union of Soviet Socialist Republics. (USSR),. was a List of former transcontinental countries#Since 1700, transcontinental country that spanned much of Eurasia from 1922 to 1991. A flagship communist state, ...
, ruling pens were widely used by women for eyebrow
An eyebrow is an area of short hairs above each Human eye, eye that follows the shape of the lower margin of the Supraorbital ridge, brow ridges of some mammals. In humans, eyebrows serve two main functions: first, human communication, communica ...
hair removal
Hair removal, also known as epilation or depilation, is the deliberate removal of body hair or head hair.
Hair typically grows all over the human body and can vary in thickness and length across human populations. Hair can become more visible ...
, being used as tweezers.
See also
* List of pen types, brands and companies *Technical drawing tools
Drafting tools may be used for measurement and layout of drawings, or to improve the consistency and speed of creation of standard drawing elements. Tools such as pens and pencils mark the drawing medium. Other tools such as straight edges, assist ...
References
{{DEFAULTSORT:Ruling Pen Pens Technical drawing tools