File:Triode schematic with filament and cathode.svg
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Size of this PNG preview of this SVG file: 178 × 182 pixels. Other resolutions: 235 × 240 pixels | 469 × 480 pixels | 751 × 768 pixels | 1,001 × 1,024 pixels | 2,003 × 2,048 pixels.
Original file (SVG file, nominally 178 × 182 pixels, file size: 5 KB)