Ultraviolet rays: effects. We cover the ears of a rabbit with black cardboard or cut the letters R and V, then we expose the animal to the ultraviolet rays of a mercury lamp: the ears show traces of burning identical to those of a sunburn. Anonymous illust(Ultraviolet rays: effects. We cover the ears of a rabbit with black cardboard or cut the letters R and V, then we expose the animal to the ultra violet rays of a mercury lamp: the ears show traces of burning identical to those of a sunburn. Anonymous illus)Anonymous Anonymous |
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Undated · Engraving
· Picture ID: 918315
colour · colours · engraving · physical · ultra-violet · knowledge · rabbit · experience · ultraviolet · aisle · animal · outlandish · 20 20th 20th xx xxth 20th century · bianchetticor · ultra violet · energy · energy · Private Collection / Bridgeman Images |
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