File:Chemical symbols by Mary Spencer Watson 04.jpg
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Size of this preview: 477 × 599 pixels. Other resolutions: 191 × 240 pixels | 382 × 480 pixels | 611 × 768 pixels | 815 × 1,024 pixels | 1,630 × 2,048 pixels | 3,456 × 4,341 pixels.
Original file (3,456 × 4,341 pixels, file size: 3.34 MB, MIME type: image/jpeg)