The story of Switzerland's great wood carvers, from the workshops of Brienz to gold medals at the world's fairs of Paris, Chicago, and beyond. A collector's guide to the finest Black Forest carvings, their masters, and what makes them remarkable.

Winston Churchill watched Black Tuesday unfold from the visitors' gallery of the New York Stock Exchange.

Japan entered the Second World War with large aperture binoculars the equal of the finest German instruments — and in quantity of production, surpassed every other combatant nation. This is the story of the firms that built them, the instruments that survived, and what collectors need to know.

Before the stock ticker, Wall Street ran on legs. The story of Thomas Edison, Edward Calahan, and the ingenious machine that transformed the way financial markets work forever.

Few instruments embody the Cold War's marriage of precision engineering and raw military purpose as completely as the Carl Zeiss Oberkochen DF 8×60. Built to scan horizons from the bridge of a NATO warship, these are binoculars conceived for consequence — every adjustment, every filter, every degree of arc calibrated for decisions that could not be taken twice. This example, bearing NATO stock number 1240-12-127-6687 and hand-polished to a mirror finish that transforms a tool of war into something closer to sculpture, is among the most visually arresting pieces of optical militaria to come to market.