Oxford, England/oxford090
Previous | Home | NextAn old chemistry instructional set of the elements, dating to the early 19th century. Note the atomic weights for oxygen = 8 and carbon = 6. This was before it was understood that oxygen was divalent.
Oxford, England/oxford090Previous | Home | NextAn old chemistry instructional set of the elements, dating to the early 19th century. Note the atomic weights for oxygen = 8 and carbon = 6. This was before it was understood that oxygen was divalent. |
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