A string galvanometer is a sensitive fast-responding measuring instrument that uses a single fine filament of wire suspended in a strong magnetic field...

A galvanometer is an electromechanical measuring instrument for electric current. Early galvanometers were uncalibrated, but improved versions, called...

A mirror galvanometer is an ammeter that indicates it has sensed an electric current by deflecting a light beam with a mirror. The beam of light projected...

to the electrocardiograph's development. Willem Einthoven's 1903 string galvanometer enabled precise measurement of these signals, revolutionizing cardiography...

Beginning in 1901, Einthoven completed a series of prototypes of a string galvanometer. This device used a very thin filament of conductive wire passing...

the hands and feet in pails of salt water, as the contacts for his string galvanometer, the first practical ECG machine. Lead I — This axis goes from shoulder...

electrometer by Willem Einthoven. In 1901 to 1905, Einthoven developed the string galvanometer, which could measure and record the heart's electrical activity....

this chart, designed by Ian Bailey and Jan Lovie. Previous to the string galvanometer, scientists used a machine called the capillary electrometer to measure...

or in parallel Casing string Drill string Production string Brock string, an instrument used in vision therapy String galvanometer, an instrument that provided...

Willem Einthoven, a Dutch physiologist, innovated the use of the string galvanometer for cardiac signal amplification. Significant improvements in amplifier...

from Ukrainian physiologist Vladimir Pravdich-Neminsky, who used a string galvanometer to create a photograph of the electrical activity of a dog's brain...

electrocerebrogram in 1912. Forbes reported the replacement of the string galvanometer with a vacuum tube to amplify the EEG in 1920. The vacuum tube became...

Leonardo Torres Quevedo 1901–1902 – Rationalization of Units 1901–1905 String Galvanometer 1902 – Poulsen-Arc Radio Transmitter 1903 – Vučje Hydroelectric Plant...

disappointing. He then switched to the string galvanometer and later to a double-coil Siemens recording galvanometer, which allowed him to record electrical...

and the physiologist Willem Einthoven for his invention of the string galvanometer, which among other things, enabled the development of electrocardiography...

The French had made an important development. They had taken the string galvanometer and adapted it to record signals from microphones onto photographic...

the methods of Willem Einthoven in 1911. He constructed the first string galvanometer in America, pioneered vectorcardiography, discovered the ventricular...

Physiological Congress in Brussels and then began to make use of a string galvanometer. He published on ECGs and vagus nerve stimulation experiments on...

Nationale de la Recherche Scientifique (not printed) 1934 - IJse of the string galvanometer as electrometer. Report to the Centre Nationale de la Recherche Scientifique...

silhouettes. The Dutch physiologist Willem Einthoven developed the string galvanometer electrocardiograph in the early 20th century, and by 1902, the first...

method of registering electric currents in nerves and muscles by the string galvanometer that, in turn, Samoilov had learned from Willem Einthoven (1860–1927)...

phenomena." In 1920 he, with Catharine Thacher, used the Einthoven string galvanometer to record the first scientific application of an electron-tube amplifier...

Lakey (October 1926) "The use of a resonant shunt with an Einthoven string galvanometer," Journal of Scientific Instruments, vol. 4, no. 1, pages 8–18. S...

eagerly started his experiments. He used recently invented Einthoven string galvanometer to record brain and muscle electrical signals. As a result of his...

pulse spacings back into voltages which were applied to a bank of string galvanometers to make an approximately continuous record of each channel on a moving...

physiologist Willem Einthoven concerning the latter's invention of the string galvanometer and electrocardiography, and Lewis pioneered its use in clinical...

Electromagnetic oscillographs had replaced the Lippman electrometer and the string galvanometer in electrophysiological experiments. These newly introduced techniques...

Later, he worked with Dr. Thomas Lewis to set up the Einthoven string galvanometer. He worked with Alfred Ezra Mirsky. One of his main areas of study...

Lost for Words, in which various recordings are input into several galvanometers, attached to which are metal springs which vibrate more readily at some...

pioneers employed rotating mirrors, or vibrating mirrors known as mirror galvanometers. In 1917, French engineer Etienne Oehmichen patented the first electric...