File:Artillery sound ranging schematic - en.png
Artillery_sound_ranging_schematic_-_en.png (601 × 497 pixels, file size: 64 KB, MIME type: image/png)
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|current||14:16, 27 September 2016||601 × 497 (64 KB)||Cmdrjameson||Compressed with pngout. Reduced by 21kB (25% decrease).|