File:Scanning-electron-micrograph-of-aluminium-treated-in-chromate-bath-for-120s-viewed-in-the-high-resolution-stage-of-the-S.jpg
Scanning-electron-micrograph-of-aluminium-treated-in-chromate-bath-for-120s-viewed-in-the-high-resolution-stage-of-the-S.jpg (600 × 462 pixels, file size: 126 KB, MIME type: image/jpeg)