Nail violin
Encyclopedia
The nail violin is a musical instrument
Musical instrument
A musical instrument is a device created or adapted for the purpose of making musical sounds. In principle, any object that produces sound can serve as a musical instrument—it is through purpose that the object becomes a musical instrument. The history of musical instruments dates back to the...

 which was invented by German violinist Johann Wilde
Johann Wilde
Johann Wilde was an 18th-century German violinist and musical instrument inventor. He is best known for inventing the nail violin in 1740. He is also credited with the introduction of the Chinese sheng mouth organ to the Court of St. Petersburg, Russia....

 in 1740. Wilde was inspired to create the instrument when he accidentally drew his bow across a metal peg, which produced a musical sound. The instrument consists of a semicircular wood
Wood
Wood is a hard, fibrous tissue found in many trees. It has been used for hundreds of thousands of years for both fuel and as a construction material. It is an organic material, a natural composite of cellulose fibers embedded in a matrix of lignin which resists compression...

en soundboard, approximately 1.5 ft by 1 ft in size, with iron
Iron
Iron is a chemical element with the symbol Fe and atomic number 26. It is a metal in the first transition series. It is the most common element forming the planet Earth as a whole, forming much of Earth's outer and inner core. It is the fourth most common element in the Earth's crust...

 or brass
Brass
Brass is an alloy of copper and zinc; the proportions of zinc and copper can be varied to create a range of brasses with varying properties.In comparison, bronze is principally an alloy of copper and tin...

 nails
Nail (engineering)
In woodworking and construction, a nail is a pin-shaped, sharp object of hard metal or alloy used as a fastener. Formerly wrought iron, today's nails are typically made of steel, often dipped or coated to prevent corrosion in harsh conditions or improve adhesion...

 of different lengths arranged to produce a chromatic scale
Chromatic scale
The chromatic scale is a musical scale with twelve pitches, each a semitone apart. On a modern piano or other equal-tempered instrument, all the half steps are the same size...

 when bowed. The bow
Bow (music)
In music, a bow is moved across some part of a musical instrument, causing vibration which the instrument emits as sound. The vast majority of bows are used with string instruments, although some bows are used with musical saws and other bowed idiophones....

 used was fitted with coarse black horsehair
Haircloth
Haircloth is a stiff, unsupple fabric typically made from horsehair and/or from the wooly hair of a camel. Although horsehair generally refers to the hair of a horse's mane or tail, haircloth itself is sometimes called horsehair...

, which produced sound by friction
Friction
Friction is the force resisting the relative motion of solid surfaces, fluid layers, and/or material elements sliding against each other. There are several types of friction:...

. An improved instrument, now in the collection of the Hochschule in Berlin
Berlin
Berlin is the capital city of Germany and is one of the 16 states of Germany. With a population of 3.45 million people, Berlin is Germany's largest city. It is the second most populous city proper and the seventh most populous urban area in the European Union...

, has two half-moon sound-chests of different sizes, one on the top of the other, forming terraces. In the rounded wall of the upper sound-chest are two rows of iron staple
Staple (fastener)
A staple is a type of two-pronged fastener, usually metal, used for joining or binding materials together. Large staples might be used with a hammer or staple gun for masonry, roofing, corrugated boxes and other heavy-duty uses...

s, the upper giving the diatonic scale, and the lower the intermediate chromatic semitone
Semitone
A semitone, also called a half step or a half tone, is the smallest musical interval commonly used in Western tonal music, and it is considered the most dissonant when sounded harmonically....

s. The instrument has a sweet bell
Bell (instrument)
A bell is a simple sound-making device. The bell is a percussion instrument and an idiophone. Its form is usually a hollow, cup-shaped object, which resonates upon being struck...

-like tone but limited technical possibilities.

History records the name of a single virtuoso
Virtuoso
A virtuoso is an individual who possesses outstanding technical ability in the fine arts, at singing or playing a musical instrument. The plural form is either virtuosi or the Anglicisation, virtuosos, and the feminine form sometimes used is virtuosa...

 on this instrument; he was a Bohemia
Bohemia
Bohemia is a historical region in central Europe, occupying the western two-thirds of the traditional Czech Lands. It is located in the contemporary Czech Republic with its capital in Prague...

n musician called Senal, who travelled all over Germany
Germany
Germany , officially the Federal Republic of Germany , is a federal parliamentary republic in Europe. The country consists of 16 states while the capital and largest city is Berlin. Germany covers an area of 357,021 km2 and has a largely temperate seasonal climate...

 with his instrument about 1780-1790. Senal had modified the instrument by adding sympathetic strings, and dubbed this enhanced version the "violino harmonico."

There have been several other modifications or variations on Wilde's original design. Modifications include the use of glass or wooden rods instead of metal nails. Träger of Bernberg (Saxony) created a treadle-operated keyboard version in 1791. The Adiaphonon, created by Franz Schuster in 1818-1819, was similar to the nail violin. It used bowed steel rods and had a six octave range. A Nineteenth Century modification, called the Stockspiel or Melkharmonica, incorporated wooden rods, which were played using rosined gloves. Bill Wesley has invented the Array Nail Violin, in which the notes are arranged according to the Array system. It is played with the fingers, thumbs, and palms dusted with dancer's rosin. The waterphone
Waterphone
A waterphone is a type of atonal acoustic musical instrument constructed largely of a stainless steel resonator "bowl" with a cylindrical "neck", which may or may not contain a small amount of water, and with brass rods around the rim of the bowl. The waterphone produces a vibrant ethereal type of...

 works on similar principles, but is atonal rather than chromatic, and has water in its resonator.

The instrument is categorized as a friction idiophone, as it is played by bowing. The instrument can also be played by striking the nails or rods. Michael Meadows has made contemporary copies of the early design of the instrument.
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