Photometry: brightness of a source(Photometry: eclat of a source. Anonymous illustration of 1925. Private collection.)Anonymous Anonymous |
€ 98.15
Enthält 0% MwSt.
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Undated · Engraving
· Picture ID: 925411
colour · colours · engraving · physical · métier · handicraft · craftsman · knowledge · optical · human · forge · light · labour · 20 20th 20th xx xxth 20th century · bianchetticor · energy · energy · Private Collection / Bridgeman Images |
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