Stråling og ledningsevne: en Mouchot-kedel bruger varmerefleksion, et forstørrelsesglas bruger sin brydning. Anonym illustration fra 1925. Privat samling.(Radiation and conductibility: a Mouchot boiler uses heat reflexion, a magnifying glass uses its refraction. Anonymous illustration from 1925. Private collection.)Anonymous Anonymous |
| € 130.2
Inklusive 25% moms |
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1925 · Engraving
· Billed-ID: 916040
Private Collection / Bridgeman Images |
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