<b>Bonhams:</b> APPLE MACINTOSH PROTOTYPE. 1983. The earliest known Macintosh with "Twiggy" drive, one of only two known working machines. Sold for $150,075.
<b>Bonhams:</b> LOVELACE, AUGUSTA ADA. Sketch of the Analytical Engine Invented by Charles Babbage Esq. London, 1843. FIRST EDITION, JOURNAL ISSUE, MOST IMPORTANT PAPER IN EARLY DIGITAL COMPUTING. Sold for $15,075.
<b>Bonhams:</b> APPLE-1 COMPUTER. Signed by Steve Wozniak, used in development of Apple II. Sold for $175,075.
<b>Bonhams:</b> DARWIN, CHARLES. 1809-1882. <i>On the Origin of Species By Means of Natural Selection.</i> London, 1859. FIRST EDITION. Sold for $131,325.
<b>Bonhams:</b> BOOLE, GEORGE. <i>An Investigation of the Laws of Thought.</i> London, 1854. Sold for $12,575.
<b>Bonhams:</b> SHANNON, CLAUDE and WARREN WEAVER. <i>The Mathematical Theory of Communication.</i> Urbana, 1949. Sold for $27,575.
<b>Sotheby’s, Dec. 17:</b> [EINSTEIN, ALBERT]; JOHN GRAUDENZ [PHOTOGRAPHER]. Photographic portrait of Albert Einstein by John Graudenz, taken circa 1928. $15,000 to $25,000.
<b>Sotheby’s, Dec. 17:</b> ENIGMA M4. A fully operational four-rotor ("M4") Kriegsmarine Enigma Cipher Machine. Berlin-Wilmersdorf, Germany, Heimsoeth und Rinke, 1942. $300,000 to $500,000.
<b>Sotheby’s, Dec. 17:</b> FEYNMAN, RICHARD P. <i>“Surely You’re Joking Mr. Feynman”. Adventures of a Curious Character.</i> New York: W.W. Norton & Company, 1985. $15,000 to $20,000.
<b>Sotheby’s, Dec. 17:</b> An intact egg of the Aepyornis Maximus, or Elephant Bird. Pre-17th century, Madagascar. $35,000 to $45,000.
<b>Sotheby’s, Dec. 17:</b> Palm frond with fish. Green River Formation, Wyoming, United States. <i>Sabalites sp.,</i> and <i>Diplomystus dentatus</i> Cenozoic, Eocene (53-33 million years ago). $60,000 to $70,000.