vacuum tube 2

nXvbKBs
osmar01
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vacuum tube 2: All modern vacuum tubes are based on the concept of the Audion--a heated

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All modern vacuum tubes are based on the concept of the Audion--a heated "cathode" boils off electrons into a vacuum; they pass through a grid (or many grids), which control the electron current; the electrons then strike the anode (plate) and are absorbe
vacuum tube 2: All modern vacuum tubes are based on the concept of the Audion--a heated
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osmar01
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Image properties
Dimensions: 4928px * 3264px
Published: February - 15 - 2013
Camera: Nikon D7000
Date: 2012:01:28 20:54:47
Aperture:f/6
Exposure: 1/30s
Focal length: 35mm
ISO: 125
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vacuum tube 2: All modern vacuum tubes are based on the concept of the Audion--a heated vacuum tube 2: All modern vacuum tubes are based on the concept of the Audion--a heated vacuum tube 2: All modern vacuum tubes are based on the concept of the Audion--a heated vacuum tube 2: All modern vacuum tubes are based on the concept of the Audion--a heated "cathode" boils off electrons into a vacuum; they pass through a grid (or many grids), which control the electron current; the electrons then strike the anode (plate) and are absorbe 300px //a.rgbimg.com/users/o/os/osmar01/600/nXvbKBs.jpg 600px //a.rgbimg.com/users/o/os/osmar01/600/nXvbKBs.jpg 100px