Tag Archives: 1840’s

1840: Sunset

Johan Christian Clausen Dahl: Sunset over the River Elbe, Dresden (c. 1840)

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1842: Faustine

Henri Lehmann: Faustine Léo (1842) (sources here and here)

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1842: Viennese

Rudolf von Alt: Solar Eclipse, Vienna (1842)

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1845: Daguerreotype with Daguerreotypes

Portrait of a Daguerreotypist Displaying Daguerreotypes and Cases, 1845, maker unknown. (source)

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1840: The End of the World

“Der Götter und Riesenkampff bey dem Weltuntergang” [The Gods and the Great Battle at the Apocalypse]; illustration from The World Theater, or The Universal World History From Creation To The Year 1840, etc. by C Strahlheim (1834-41).

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1840: A Line Drawn Through the Eye of the Observer and the Centre of the Sun

All rainbows are portions of circles, and the eye of the observer is always opposite to the centre of the circle. The quantity of the circle seen, depends on the height of the sun above the horizon at the time … Continue reading

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