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010558

Projecting the image of the Sun through a refracting telescope on to a screen in order to study sunpots. From 'Rosa Ursina' by Christoph Scheiner (Bracciano, 1630). Engraving.

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010558.jpg
Copyright
Irish Photo Archive
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2390x2500 / 439.9KB
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Projecting the image of the Sun through a refracting telescope on to a screen in order to study sunpots.   From 'Rosa Ursina' by Christoph Scheiner (Bracciano, 1630). Engraving.