LZT1035065: Franco-Prussian War: Guarding the Railway Tunnel Near Saarburg by North German Landwehr, Germany / Bridgeman Images

LZT1035081: Franco-Prussian War: Hospital in Versailles Palace, France / Bridgeman Images

LZT1035082: Franco-Prussian War: A Field Expedition Post on the Battlefield of St. Privat on 19 August 1870 / Bridgeman Images

LZT1035084: Franco-Prussian War: Schiltigheim, France, Old Map / Bridgeman Images

LZT1035091: Franco-Prussian War: A Part of the Ramparts Before Paris after the Bombing, France / Bridgeman Images

LZT1035092: Franco-Prussian War: Inside View of Fort Nogent Outside Paris after Occupation by Wurttemberg Troops / Bridgeman Images

LZT1035094: Franco-Prussian War: Jules Favre Lands During the First Week of the Armistice at the Bridge of Sevres to Negotiate with Count Bismarck, France / Bridgeman Images

LZT1035098: Albanian Peasant, Albania, Unknown Artist, (19th century) / Bridgeman Images

LZT1035099: Albanian Peasant, Albania / Bridgeman Images

LZT1033915: Horizontal Cross Section of M. Hermann-Lachapelle's Crossed Boiler Reboiler / Bridgeman Images

LZT1033917: Cross Section of M. Calla's Traction Engine / Bridgeman Images

LZT1033930: Electric Machine of Otto Von Guericke / Bridgeman Images

LZT1033934: July 2 1729 Grey and Wehler Discover the Spread of Electricity Along Conductive Bodies / Bridgeman Images

LZT1033938: Father Kircher / Bridgeman Images

LZT1033939: The Marquis of Worcester Lets a Cannon Burst by the Effect of Water Vapor / Bridgeman Images

LZT1033949: Robert Boyle / Bridgeman Images

LZT1033951: Denis Papin / Bridgeman Images

LZT1033956: Gottfried Wilhelm Leibnitz / Bridgeman Images

LZT1033957: Captain Savery in the Tavern / Bridgeman Images

LZT1033958: Cross Section of the Steam Engine of Savery / Bridgeman Images

LZT1033968: Watt's Centrifugal Regulator / Bridgeman Images

LZT1033972: The Double Cylinders of Wolf's Machine / Bridgeman Images

LZT1033974: Cornwall's Machine / Bridgeman Images

LZT1033995: Horizontal Cylinder Machine / Bridgeman Images

LZT1033998: Machine Without Condenser or Low Pressure Machine / Bridgeman Images

LZT1034006: The Marquis De Jouffroy Studies Challiot's Fire Pump / Bridgeman Images

LZT1034008: Meeting Held at the Estate of the Marquis Ducrest for Reviewing Plans of the Marquis Jouffroy / Bridgeman Images

LZT1034014: Mechanism of Miller Taylor and Symington's Steamboat's Engine / Bridgeman Images

LZT1034015: Fitch's Boat / Bridgeman Images

LZT1034043: Steamboat Intended to Serve As a Ferry Service on the Seine During the Exposition 1867 (Propeller Model) / Bridgeman Images

LZT1034054: Volta Builds the Electric Motor or Electric Battery in December 1799 / Bridgeman Images

LZT1034057: Apparatus for the Decomposition of Water / Bridgeman Images

LZT1034059: J.-B. Biot / Bridgeman Images

LZT1034062: Marie Francois Xavier Bichat (1771-1802), 19th century (engraving), French School, (19th century) / Bridgeman Images

LZT1034078: Nobili's Thermopile with a Reflector Attached to It / Bridgeman Images

LZT1034081: Channel Battery / Bridgeman Images