Unknown. (page 458)

Eddystone Lighthouse, c1850 Unknown

A sentry in the trenches looking through an improvised persicope, France, World War I, 1916 Unknown

Harold Edward 'Red' Grang, American Football player, mid 1920s Unknown

A heavy howitzer, Somme campaign, France, World War I, 1916 Unknown

Lille delivered, France, World War I, 1918 Unknown

Erich Maria Remarque, German author, late 1920s Unknown

Frances E Willard's Rest Cottage, Evanston, Illinois, USA, 1889 Unknown

Aerial combat on the Western Front, World War I, 1914-1918 Unknown

Whole Earth from space, viewed from Apollo 17, December 1972 Unknown

Needlework lesson, Montpelier House Open Air School, London, 1908 Unknown

Literature class, Blackheath Road Evening Institute, London, 1908 Unknown

Housewifery, Barnsbury Park School, Islington, London, 1908 Unknown

Broad tree-lined street with tramlines, Burdett Road, Stepney, London, 1912 Unknown

Firemen carrying out scaling ladder drill, London Fire Brigade Headquarters, 1910 Unknown

Knightsbridge Fire Station, No 16 Basil Street, Chelsea, London, 1939 Unknown

Art class, Westminster Technical Institute, London, 1910 Unknown

Scullery practice, Sailors' Home School of Nautical Cookery, London, 1907 Unknown

Crowd of people in the street, Tottenham Court Road, London, 1900 Unknown

Laundry work, Tennyson Street School, Battersea, London, 1907 Unknown

Illuminated advertisements on shop fronts at 7, Oxford Street, London, 1909 Unknown

Boys in a chemistry laboratory, Hackney Downs School, London, 1911 Unknown

Westminster Fire Station, London, 1906 Unknown

Housewifery lesson, Dulwich Hamlet School, Dulwich Village, London, 1908 Unknown

Ambulance delivering a cylinder of gas, Woolwich, London, 1946 Unknown

Art lesson, Wornington Road School, London, 1938 Unknown

A day technical class for boys at the Central School of Arts and Crafts, Camden, London, 1911 Unknown

Men pouring molten metal in a foundry, School of Engineering and Navigation, London, 1931 Unknown

Typewriting examination class, Queen's Road Evening Institute, London, 1908 Unknown

Advertising hoardings, 344 City Road, London, 1911 Unknown

View across roof tops, Bethnal Green, London, 1923 Unknown

Health class, Cosway Street Evening Institute for Women, London, 1914 Unknown

Bobbin lace and embroidery class, Northern Polytechnic, London, 1907 Unknown

Bombed houses, Trigo Road, Poplar, London, WWII, 1943 Unknown

Deptford Creek Bridge, London, 1896 Unknown

General cookery class, National Training School of Cookery, London, 1907 Unknown

Dental Room, Woolwich School treatment centre, London, 1914 Unknown