- Magnetic brush unit
- Узел проявления «магнитной кистью».
Краткий толковый словарь по полиграфии. 2010.
Краткий толковый словарь по полиграфии. 2010.
Magnetic tape sound recording — Klaudia Wilde from the German WDR radio archive with a broadcast tape from 1990 The use of magnetic tape for sound recording originated around 1930. Magnetizable tape revolutionized both the radio broadcast and music recording industries. It did… … Wikipedia
Nikola Tesla — Tesla, aged 37, 1893, photo by Sar … Wikipedia
Electric toothbrush — An electric toothbrush is a toothbrush that uses electric power to move the brush head, normally in an oscillating pattern, though electric toothbrushes are often called rotary toothbrushes. History Dr. Scott s electric toothbrush In the late… … Wikipedia
British Rail Class 31 — Brush Type 2 British Rail Class 31 31289 at the Northampton Lamport Railway, 22 April 2007 Power type Diesel electric Builder Brush Traction Build date … Wikipedia
History of electromagnetism — The history of electromagnetism, that is the human understanding and recorded use of electromagnetic forces, dates back over two thousand years ago, see Timeline of electromagnetism. The ancients must have been acquainted with the effects of… … Wikipedia
Electric motor — For other kinds of motors, see motor (disambiguation). For a railroad electric engine, see electric locomotive. Various electric motors. A 9 volt PP3 transistor battery is in the center foreground for size comparison. An electric motor converts… … Wikipedia
Faraday's law of induction — For the relationship between a time varying magnetic field and an induced electric field, see Maxwell s equations. Electromagnetism … Wikipedia
Faraday paradox — This article describes the Faraday paradox in electromagnetism. There is a different Faraday paradox in electrochemistry: see Faraday paradox (electrochemistry). The Faraday paradox (or Faraday s paradox) is an experiment that illustrates Michael … Wikipedia
Shen Kuo — Infobox Scientist name = Shen Kuo zh. 沈括 image width = 280px caption = Shen Kuo, a Chinese scientist famous for his concepts of true north and land formation, among others. (Modern artist s impression) birth date = 1031 birth place = Qiantang… … Wikipedia
Brushed DC electric motor — A brushed DC motor is an internally commutated electric motor designed to be run from a direct current power source. Contents 1 Simple two pole DC motor 2 The commutating plane 2.1 Compensation for stator field distortion … Wikipedia