DGA2584374: 20 francs banknote, 1980-1997, reverse, Claude Debussy (1862-1918), France, 20th century / Bridgeman Images

DGA2584380: 200 francs banknote, 1990, obverse, Charles-Louis de Secondat, Baron de Montesquieu (1689-1755) and Chateau de la Brede, France, 20th century / Bridgeman Images

DGA2584394: 1000 mark banknote, 1980, reverse, Limburg an der Lahn cathedral, Germany, 20th century / Bridgeman Images

DGA2584395: 5 mark banknote, 1991, obverse, Bettina von Arnim (1785-1859), Germany, 20th century / Bridgeman Images

DGA2584406: 1000 mark banknote, 1991, reverse, book, Germany, 20th century / Bridgeman Images

DGA2583431: Dismountable terrestrial globe, ca 1860. / Bridgeman Images

DGA2583435: Copernican armillary sphere, ca 1810, by the brothers Ubicini, height 46 cm, diameter 28 cm. / Bridgeman Images

DGA2583449: Drottningholm Palace outside Stockholm, by the architect Nicodemus Tessin (1654-1728), Sweden, 18th century / Bridgeman Images

DGA2583458: Brass graphometer, ca 1675, by Pierre Sevin (active 1665-1683), diameter 26 cm. France, 17th century. / Bridgeman Images

DGA2583461: Portuguese bronze nautical astrolabe, 1608, by Francisco de Goes, diameter 19.7 cm. / Bridgeman Images

DGA2583471: Balance with weights and measures. / Bridgeman Images

DGA2583508: Portrait of Otto II, Holy Roman Emperor (Saxony, circa 955-Rome, 983), King of Saxony and Emperor of Holy Roman Empire, engraving, Germany, 10th century / Bridgeman Images

DGA2583512: Crown Prince of Austria-Hungary Rudolf of Habsburg-Lorraine (Vienna, 1858-Mayerling, 1889) and his wife Stephanie of Saxe-Coburg-Gotha, Princess of Belgium (Laeken 1864-Pannonhalma, 1945), May 2, 1880, engraving, Austria, 19th century / Bridgeman Images

DGA2583529: Boeing 747 commercial airliner and cargo transport aircraft, 1970, USA, drawing / Bridgeman Images

DGA2583530: Panavia Tornado fighter aircraft, 1979, Italy, Germany and United Kingdom, drawing / Bridgeman Images

DGA2583544: Fiat Cr20 biplane fighter aircraft, 1927, Italy, drawing / Bridgeman Images

DGA2583552: Boeing B-52 Stratofortress bomber, 1962, USA, drawing / Bridgeman Images

DGA2583554: Breda-Pittoni BP471 cargo aircraft, 1952, Italy, drawing / Bridgeman Images

DGA2583581: Heinkel He 100 fighter aircraft, 1938, Germany, drawing / Bridgeman Images

DGA2583582: Macchi M39 racing seaplane, 1926, Italy, drawing / Bridgeman Images

DGA2583583: Macchi MC200 Saetta fighter aircraft, 1939, Italy, drawing / Bridgeman Images

DGA2583584: Macchi MC202 fighter aircraft, 1941, Italy, drawing / Bridgeman Images

DGA2583590: Aermacchi MB-339 trainer aircraft, 1979, Italy, drawing / Bridgeman Images

DGA2583598: Nakajima B5N Kate torpedo bomber aircraft, 1936, Japan, drawing / Bridgeman Images

DGA2583599: Morane-Saulnier MS410 fighter aircraft, 1940, France, drawing / Bridgeman Images

DGA2583607: Reggiane Re2005 Sagittario fighter aircraft, 1943, Italy, drawing / Bridgeman Images

DGA2583612: Savoia-Marchetti S51 racing seaplane, 1922, Italy, drawing / Bridgeman Images

DGA2583613: Savoia-Marchetti S64, monoplane developed specifically to contest the world duration and distance records, 1928, Italy, drawing / Bridgeman Images

DGA2583615: Savoia Marchetti SM79 Sparviero torpedo bomber aircraft, 1936, Italy, drawing / Bridgeman Images

DGA2583616: Savoia Marchetti SM79 Sparviero torpedo bomber aircraft, 1936, Italy, drawing / Bridgeman Images

DGA2583617: Savoia Marchetti SM79 Sparviero torpedo bomber aircraft, 1936, Italy, drawing / Bridgeman Images

DGA2583623: Mikoyan-Gurevich MiG-21F-13 fighter aircraft, 1960, Russia, drawing / Bridgeman Images

DGA2583626: Northrop F-5E fighter aircraft, 1972, USA, drawing / Bridgeman Images

DGA2583627: Cockpit of Caproni Ca33 450 Hp biplane bomber, 1917, Italy, drawing / Bridgeman Images

DGA2584232: Transmitter key for Morse telegraph, with non-sparking device, 1870, Italy, 19th century / Bridgeman Images

DGA2584242: Sheet of 100 stamps from Floral series with portraits of Vittorio Emanuele II (1820-1878), perforated to eliminate commercial viability, issued by Kingdom of Italy, 1891-1896, Italy, 19th century / Bridgeman Images