Tag Archives: 1840’s

1842: Viennese

Posted on August 22, 2017 by corvusfugit

Rudolf von Alt: Solar Eclipse, Vienna (1842)

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1845: Daguerreotype with Daguerreotypes

Posted on August 12, 2017 by corvusfugit

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

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1840: The End of the World

Posted on August 7, 2017 by corvusfugit

“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

Posted on July 24, 2017 by corvusfugit

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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