liquid column in cm: 0.3 x 3. Combination "best of both worlds" of [[:File:Liquid chlorine.jpg]] and [[:File:Chlorine- English determination method: SHA-1...
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chemical shell and properties of commonest gases" in "Chemical Warfare" 1920, from- Defense against gas (IA defenseagainstga00unit) (page 14 crop).jpg...
This file has an extracted image: Marbled paper - from, Radio-active substances (page 1 crop).jpg....
ESO/Serge Brunier: https://commons.wikimedia.org/wiki/File:ESO_-_Milky_Way.jpg Suggestions for improving this image are welcome: pablocarlosbudassi@gmail...
