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009638

Demonstrating the strength of a vacuum. Vessel from which air has been evacuated mounted in frame. A rope attached is passed over two pulley wheels. On a wooden platform hung from the end of the rope weights were added until the vacuum was overpowered. From 'Experimental Nova' by Otto von Guericke (Amsterdam, 1672). Engraving.

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009638.jpg
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Irish Photo Archive
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2400x2405 / 1.2MB
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Demonstrating the strength of a vacuum. Vessel from which air has been evacuated mounted in frame. A rope attached is passed over two pulley wheels. On a wooden platform hung from the end of the rope weights were added until the vacuum was overpowered. From 'Experimental Nova' by Otto von Guericke (Amsterdam, 1672). Engraving.