France, Indre et Loire, Loire valley listed as World Heritage by UNESCO, Varennes, Saint-Senoch castle, which belonged to Thérèse and René Planiol, famous couple of scientists, the library 24 meters long and 7 meters high, Professor Planiol had tinkered with an ingenious ascending chair on rails so that his wife could reach the 13th shelf, demonstration by Professor Léandre Pourcelot, inventor of ultrasound
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Reference : 4028792
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Credit : AVENET Pascal / Hemis.fr
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Licence : Rights managed
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Date : 24/04/2017
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Property release : No
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Model release : No