Christie's on Instagram: "Before computers, there was the Pascaline. Invented nearly 400 years ago by Blaise Pascal, this groundbreaking calculating machine transformed science and technology — and it’s now coming to auction for the first time. Join mathematician Cédric Villani and Adrien Legendre for an exclusive look before it goes under the hammer this November. #CédricVillani On view: 📍 New York | 11–15 October 📍 Hong Kong | 23–29 October 📍 Paris | 13–18 November 🗓️ De la Collection Léon