Unknown. (page 484)

Madame du Gaste and Monsieur Barbarou in a Benz Parsifal, 1903 Unknown

Mobile confectionery shop, a 1932 Bedford 30cwt WS lorry, (c1932?) Unknown

John Surtees in Honda V12, Belgian Grand Prix, 1968 Unknown

A group of people on an outing with their cars, c1929-c1930 Unknown

Hermann Lang in a Mercedes Benz 300 SL, Nurburgring 1000km, 1952 Unknown

Start of the inaugural Monaco Grand Prix, 1929 Unknown

Jack Robinson on a Norton bike, during an Amateur TT race, 1925 Unknown

1.5 litre Mercedes in action, Tripoli Grand Prix, Tripoli, Libya, 1939 Unknown

Bill Lomas at Governor's Bridge, Isle of Man Junior TT, 1955 Unknown

1904 De Dion Bouton at 2000 London to Brighton run Unknown

2004 Mercedes Benz SLK 200K Unknown

Benetton B193A Michael Schumacher 1993 Euro GP at Donington Unknown

1904 Humberette on 1952 RAC Veteran Car Run London to Brighton Unknown

1923 French Grand Prix, Henry Segrave in Sunbeam Unknown

Friedrich Engels, German socialist and collaborator and supporter of Karl Marx, 1879 Unknown

Firing a cannon into clouds to prevent a hail storm, 1901 Unknown

Frederic Joliot, French physicist, c1930 Unknown

Industrial laboratory at Thomas Firth & Son's Norfolk Works, Sheffield, c1900 Unknown

Florence Nightingale in her carriage in the Crimea, 1856 Unknown

Telegraph wire at the Greenwich works, c1865 Unknown

Hermann von Helmholtz (1821-1894), German physicist and physiologist, 1876 Unknown

Morse telegraph operating room, Cincinnati, Ohio, USA, 1859 Unknown

Workers at Nobel Explosives Company Limited, Ardeer, Ayrshire, 1884 Unknown

Laying paving slabs in a Paris street, c1900 Unknown

Dockers unloading sugar at West India Docks, London, 1889 Unknown

John Augustus Roebling, American civil engineer, 1874 Unknown

August Wilhelm Hofmann, German organic chemist, 1854-1860 Unknown

Robert Boyle, Anglo-Irish chemist and physicist and Denis Papin, French physicist, 1870 Unknown

Benjamin Franklin, American scientist, inventor and statesman, late 18th century Unknown

Darwin's study at Down House, his home near Beckenham, Kent, 1883 Unknown

Joseph Crosfield & Son's soap factory at Bank Quarry, Warrington, Cheshire, 1886 Unknown

Pierre and Marie Curie, French physicists, 1904 Unknown

Reverse of medal commemorating 50 years of cinematography by the Lumiere brothers, 1945 Unknown

Webb's chemical factory, Diglis, Worcestershire, 1869 Unknown

Isaac Newton, English mathematician and physicist Unknown

Marie Curie, Polish-born French physicist, in her laboratory, 1912 Unknown