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Portrait of Emperor Peter I the Great, First third of 18th cen Anonymous

Archduchess Marie Antoinette, Queen of France Anonymous

Medal commemorating Marie Sklodowska Curie, Polish-born French physicist, 1967 Unknown

Ilya Ilich Mechnikov, Russian microbiologist Unknown

Humphry Davy, British chemist, 19th century Unknown

Experiment to calculate the speed of sound in air, Paris, 1822 (1873) Amedee Guillemin

Joseph Louis Gay-Lussac, French chemist and physicist, c1860 Unknown

Medal commemorating Marie Sklodowska Curie, Polish-born French physicist, 1967 Unknown

Edward The Confessor, Anglo-Saxon king of England, 1070s Unknown

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

St Isidore the Labourer Anonymous

Castlemorton IV Paul Powis

Lord Tennyson's Play of Becket, at the Lyceum Theatre, London Anonymous

Benjamin Franklin, American scientist and politician Anonymous

1/5 RWR battalion camp, Samarra, Mesopotamia Anonymous

Princess Patricia of Connaught Anonymous

Thomas Alva Edison, American inventor and businessman Anonymous

Blarney Castle, Cork, Ireland Underwood & Underwood

Theatre costume designs for Shakespeare's play, Henry VIII Anonymous

Theatre costume designs for Shakespeare's play, Henry VIII Anonymous

A Norman butler and his assistants Anonymous

Caroline of Brunswick, Queen Consort of King George IV Anonymous

Jacob Wyx of Basel and his wife Anna Anonymous

Paris Pris du Louvre Maxime Lalanne

The last feast of Robert De Comines' men at Durham Richard Caton Woodville II

Letter from William Cecil to Sir Christopher Hatton Sir William Cecil

French costume: Capetian Anonymous

Robert of Anjou Constructing the Church of Santa Chiara, Naples Francesco de Mura

The Accolade Edmund Blair Leighton

Germany - Bielefeld - 1960's child plays in snow Anonymous

Illustrations for "The Adventures of Baron Munchausen" Alphonse Adolphe Bichard

Kids playing in tree house Anonymous

Human Red blood cells Anonymous

Christmas Morning Paul Seignac

Sperm in rat testes Anonymous

Protea Flower Anonymous