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31 John Ambrose Fleming Stock Photos & High-Res Pictures

View john ambrose fleming videos

Browse 31 john ambrose fleming photos and images available, or start a new search to explore more photos and images.

Decorative binding from �Electric lamps and electric lighting: a course of four lectures on electric illumination; delivered at the Royal Institution...

Cover of �Electric lamps and electric lighting�, 1894.

Six valves, including the original thermionic valve of 1889 , made by Sir John Ambrose Fleming for experiments on an effect seen in early electric...

Selection of valves, 1889-1906.

Desk telephone transmitter and receiver designed by the English electrical engineer John Ambrose Fleming .

Sectioned desk telephone transmitter and receiver, 1926.

Replica of the original oscillation valve made by John Ambrose Fleming , an English physicist and electrical engineer. As well as being a pioneer in...

Flemings oscillation valve, 1904.

Early experimental Fleming diodes such as this one were the forerunners of other types of vacuum tubes. Diode valves control electrical currents and...

Diode valve, early 20th century.

Audion valve with mounting. Lee De Forest was an American electrical engineer and inventor. In 1907, while working for the Western Electric Company,...

Lee De Forest was an American electrical engineer and inventor. In 1907, while working for the Western Electric Company, he patented the thermionic...

Original De Forest �audion� valve, 1907.

The original thermionic valve made by Sir John Ambrose Fleming for experiments on an effect seen in early electric lamps. The source of current is a...

Flemings original thermionic valve, 1889.

The original thermionic valve made by Sir John Ambrose Fleming for experiments on an effect seen in early electric lamps. The source of current is a...

Flemings original thermionic valve, 1889.

As well as being a pioneer in the application of electricity to lighting and heating on a large scale, John Ambrose Fleming invented the thermionic...

Flemings oscillation valve, c 1903.

As well as being a pioneer in the application of electricity to lighting and heating on a large scale, John Ambrose Fleming invented the thermionic...

Marconi-Fleming valve radio receiver, c 1908.

As well as being a pioneer in the application of electricity to lighting and heating on a large scale, John Ambrose Fleming invented the thermionic...

Marconi-Fleming valve radio receiver, c 1908.

As well as being a pioneer in the application of electricity to lighting and heating on a large scale, John Ambrose Fleming invented the thermionic...

Marconi-Fleming valve radio receiver, c 1908.

Fleming's original thermionic valve, 1889. Made by John Ambrose Fleming for experiments on an effect seen in early electric lamps. The source of...

Flemings original thermionic valve, 1889.

Part of the patent drawing of the first wireless detector to use a thermionic valve. The valve was made in 1889 by John Ambrose Fleming for...

First wireless detector to use a thermionic valve, 1904.

Lee De Forest was an American electrical engineer and inventor. In 1907, while working for the Western Electric Company, he patented the thermionic...

De Forest thermionic triode valve, c 1907.

The original thermionic valve made by Sir John Ambrose Fleming for experiments on an effect seen in early electric lamps. The source of current is a...

Flemings original thermionic valve, 1889.

This electronic diode was one of Sir John Ambrose Fleming's own valves or vacuum tubes of the type used with the pioneering Marconi-Fleming radio...

Fleming diode, British, 1905.

This electronic diode was one of Sir John Ambrose Fleming's own valves or vacuum tubes of the type used with the pioneering Marconi-Fleming radio...

Fleming diode, British, 1905.

As well as being a pioneer in the application of electricity to lighting and heating on a large scale, John Ambrose Fleming invented the thermionic...

Flemings oscillation valves, c 1903.

Professor of Electrical Engineering at University College, London, between 1885 and 1926, Fleming invented the thermionic valve and was a pioneer in...

Sir John Ambrose Fleming, English physicist and electrical engineer, 1934.

Photograph. Professor of Electrical Engineering at University College, London, between 1885 and 1926, Fleming invented the thermionic valve and was a...

Sir John Ambrose Fleming, English physicist and electrical engineer, 1904.

John Ambrose Fleming, British electrical engineer, known as the inventor of the two-electrode radio rectifier, ca. 1940.

John Fleming, Electrical Engineer, ca. 1940

1945Physiker, GBentdeckte den Gleichrichtungseffekt beiElektronenröhren- Zeichnungohne Jahr

John Ambrose Fleming /1

Fleming and his ‘Oscillation Valve' were photographed in 1923, 19 years after he had discovered that his primitive electronic device could be used to...

John Ambrose Fleming

English phyicist and electrical engineer, Sir John Ambrose Fleming , he invented the thermionic valve and was Professor of Electrical Engineering at...

British Broadcasting Company leads the television by radio after the Baird system. Sir Ambrose Fleming opened the television broadcasting. Right...

Sir Ambrose Fleming und John Baird

Early types of John Ambrose Fleming's two electrode valve, which was the first vacuum tube, England, 1904.

Fleming's First Vacuum Tube

Mr. Monk and the Three Pies" Episode 11 -- Pictured: Bitty Schram as Sharona Fleming, John Turturro as Ambrose Monk, Tony Shalhoub as Adrian Monk --

Monk - Season 2

Mr. Monk and the Three Pies" Episode 11 -- Pictured: Tony Shalhoub as Adrian Monk, John Turturro as Ambrose Monk, Bitty Schram as Sharona Fleming --

Monk - Season 2

Mr. Monk and the Three Pies" Episode 11 -- Pictured: Tony Shalhoub as Adrian Monk, John Turturro as Ambrose Monk, Bitty Schram as Sharona Fleming --

Monk - Season 2

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