A noctograph is a

writing instrument A writing implement or writing instrument is an object used to produce writing. Writing consists of different figures, lines, and or forms. Most of these items can be also used for other functions such as painting, drawing and technical drawing, ...

composed of a piece of paper whose underside is treated with printer's ink

carbon paper Carbon paper (originally carbonic paper) consists of sheets of paper which create one or more copies simultaneously with the creation of an original document when inscribed by a typewriter or ballpoint pen. History In 1801, Pellegrino Turri, ...

and a metal board with clips to hold the paper in place and guidelines to make for straight writing in the dark. The user writes with a metal

stylus A stylus (plural styli or styluses) is a writing utensil or a small tool for some other form of marking or shaping, for example, in pottery. It can also be a computer accessory that is used to assist in navigating or providing more precision w ...

, and thus does not have to ink a pen or worry about knocking an inkstand over. The original purpose was to allow the blind or

partially sighted Visual impairment, also known as vision impairment, is a medical definition primarily measured based on an individual's better eye visual acuity; in the absence of treatment such as correctable eyewear, assistive devices, and medical treatment� ...

to write with more ease than with a traditional

pen A pen is a common writing instrument that applies ink to a surface, usually paper, for writing or drawing. Early pens such as reed pens, quill pens, dip pens and ruling pens held a small amount of ink on a nib or in a small void or cavity wh ...

, although it has also been used by the fully sighted to write in the

dark Darkness, the direct opposite of lightness, is defined as a lack of illumination, an absence of visible light, or a surface that absorbs light, such as black or brown. Human vision is unable to distinguish colors in conditions of very low lu ...

. It was originally patented by Ralph Wedgwood in 1806.

Notable users

William H. Prescott William Hickling Prescott (May 4, 1796 – January 28, 1859) was an American historian and Hispanist, who is widely recognized by historiographers to have been the first American scientific historian. Despite having serious visual impairm ...

The noctograph that Prescott used to write his many historical volumes is on display at the William Hickling Prescott House (house museum) at 55 Beacon Street, Boston, Massachusetts. *

James Holman James Holman FRS (15 October 1786 – 29 July 1857), known as the "Blind Traveller," was a British adventurer, author and social observer, best known for his writings on his extensive travels. Completely blind and experiencing pain and limi ...

References

Writing implements Blindness equipment {{tool-stub

Notable users

See also

References