The Holtz machine, a type of electrostatic generator, is spelled with the IPA phonetic transcription of /hoʊts məˈʃin/. The first syllable "hoʊts" is pronounced like "h-oh-ts" with stress on the "oh" sound. The second syllable "məˈʃin" is pronounced with the stress on the "ʃin" sound, which is pronounced like "sheen." The word is named after the German physicist Wilhelm Holtz, who invented the machine in the 1860s. The Holtz machine is used in physics experiments and educational demonstrations of electricity and magnetism.
A Holtz machine refers to an electrostatic influencer or generator, used to create high voltage and electrostatic charge for experimental purposes. It is typically composed of two glass disks, one smaller and mounted on a spindle, while the other is larger and fixed in position. These disks are separated by a small gap, and both are coated with metal sectors or sectors of appropriate materials. The smaller disk, also known as the comb, is provided with sharp metal points or brushes that make contact with the larger disk. In operation, a belt or pulley is driven by an external power source, which rotates the smaller disk. As the comb rotates, the metal points or brushes make contact with the larger disk and thus charge it electrostatically.
The Holtz machine functions based on the principle of influence. When the smaller disk rotates and charges the larger disk, it creates an electrostatic charge difference between the two disks. This charge difference can be tapped and used for experiments, or it can be utilized to generate high voltages. The machine's high voltage output is collected using metal sectors or brushes positioned around the perimeter of the larger disk.
Holtz machines were primarily used for scientific demonstrations, early experiments in electricity, electrostatic measurements, and generating high voltages for scientific investigations. They were particularly popular in the late 19th and early 20th centuries. While Holtz machines have been largely replaced by modern electrical generators and high voltage equipment for practical purposes, they still hold historical significance in the development of electrostatics and early experimentation with electricity.
A machine with a large revolving glass disc, for generating frictional electricity.
A practical medical dictionary. By Stedman, Thomas Lathrop. Published 1920.
The word "Holtz machine" is named after its inventor, August von Holtz (1835-1898), a German physicist. Holtz developed this electrostatic device in the late 19th century, which is also commonly known as the "Holtz electrostatic machine" or simply the "Holtz generator". As a tribute to the inventor's contribution, the machine was named after him.