Bonhams, Apr. 28 – May 7: Isaac Newton on chemistry and matter, and alchemy, Autograph Manuscript, "A Key to Snyders," 3 pp, after 1674. $100,000 - $150,000
Bonhams, Apr. 28 – May 7: Exceptionally rare first printing of Plato's Timaeus. Florence, 1484. $50,000 - $80,000
Bonhams, Apr. 28 – May 7: On the Philosophy of Self-Interest: Adam Smith's copy of Helvetius's De l'homme, Paris, 1773. $40,000 - $60,000
Bonhams, Apr. 28 – May 7: "Magical Calendar of Tycho Brahe" - very rare hermetic broadside. Engraved by Merian for De Bry. c.1618. $30,000 - $50,000
Bonhams, Apr. 28 – May 7: Author's presentation issue of Einstein's proof of Relativity, "Erklärung der Perihelbewegung des Merkur aus der allgemeinen Relativitätstheorie." 1915. $30,000 - $50,000
Bonhams, Apr. 28 – May 7: First Latin edition of Maimonides' Guide for the Perplexed. Paris, 1520. $20,000 - $30,000.
Bonhams, Apr. 28 – May 7: De Broglie manuscript on the nature of matter in quantum physics, 3 pp, 1954. $20,000 - $30,000
Bonhams, Apr. 28 – May 7: Tesla autograph letter signed on electricty and electromagnetic theory. 1894. $20,000 - $30,000
Bonhams, Apr. 28 – May 7: Heinrich Hertz scientific manuscript on his mentor Hermann Von Helmholtz, 1891. $20,000 - $30,000
Bonhams, Apr. 28 – May 7: The greatest illustrated work in Alchemy: Micheal Maier's Atalanta Fugiens. Oppenheim, 1618. $30,000 - $50,000
Bonhams, Apr. 28 – May 7: Illustrated Alchemical manuscript, a Mysterium Magnum of the Rosicurcians, 18th-century. $30,000 - $50,000
Bonhams, Apr. 28 – May 7: Rare Largest Paper Presentation Copy of Newton's Principia, London, 1726. The third and most influential edition. $60,000 - $90,000