File:A-photograph-of-the-electron-spectrometer-showing-the-electron-gun-the-hemispherical-analyzers-the-Faraday-cup-and-the-g.jpg
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A-photograph-of-the-electron-spectrometer-showing-the-electron-gun-the-hemispherical-analyzers-the-Faraday-cup-and-the-g.jpg (600 × 458 pixels, file size: 172 KB, MIME type: image/jpeg)