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James Pitkin demonstrating his Portable Electric Lamp

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James Pitkin demonstrating his Portable Electric L...

The reflection of a candle flame in a plane mirror, showing that the angle of incidence equals the angle of reflection

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The reflection of a candle flame in a plane mirror...

A reflection apparatus used for proving the law that the angle of incidence equals the angle of reflection

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A reflection apparatus used for proving the law th...

The reflection from a transparent body, showing the angle of incidence equals the angle of reflection

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The reflection from a transparent body, showing th...

The reflection of an object in a plane mirror, showing how the angle of incidence equals the angle of reflection

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The reflection of an object in a plane mirror, sho...

The reflecting of light showing that the angle of incidence

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The reflecting of light showing that the angle of ...

Bette Davis

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Bette Davis

Bette Davis

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Bette Davis

Bette Davis

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Bette Davis

Bette Davis

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Bette Davis

Bette Davis

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Bette Davis

Alice Paul

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Alice Paul

Headquarters of the American National Woman's Suffrage Organization

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Headquarters of the American National Woman's Suff...

District of Columbia, USA. women voting for the first time in 1920

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District of Columbia, USA. women voting for the fi...

Alice Paul and Mrs Pethwick-Laurence

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Alice Paul and Mrs Pethwick-Laurence

Poster for Federal Theatre Project

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Poster for Federal Theatre Project

Alice Paul and Catherine Flanagan

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Alice Paul and Catherine Flanagan

American Suffragettes

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American Suffragettes

Lucy Burns and Emmeline Pankhurst, American suffragettes

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Lucy Burns and Emmeline Pankhurst, American suffra...

Alice Paul

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Alice Paul

Woman's suffrage protest at congress

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Woman's suffrage protest at congress

John Stuart Mill by John Tenniel

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John Stuart Mill by John Tenniel

Members of the Men's League for Woman Suffrage

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Members of the Men's League for Woman Suffrage

White House dinner in honour of President of Tunisia

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White House dinner in honour of President of Tunis...

The American Declaration of Independence

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The American Declaration of Independence

American cartoon of 1920. The sky is now her limit.

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American cartoon of 1920. The sky is now her limit...

Chart Recording the Cyclonic Character of Friday's Gale

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Chart Recording the Cyclonic Character of Friday's...

Civil rights march on Washington, 1963

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Civil rights march on Washington, 1963

Photograph of Civil Rights leaders meeting with President John F. Kennedy

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Photograph of Civil Rights leaders meeting with Pr...

Women voting in Japan

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Women voting in Japan

In the coming era of socialism

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In the coming era of socialism

First women chauffeurs of Japan

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First women chauffeurs of Japan

Robert 'Bob' Semple; union leader and Minister in the first Labour Government of New Zealand. Idealised German Aryan (master race) pure blooded family during the Nazi era 1936

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Robert 'Bob' Semple; union leader and Minister in ...

The result of the Fifteenth Amendment, and the rise and progress of the African race in America and its final accomplishment

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The result of the Fifteenth Amendment, and the ris...

Pedro Segura y Sáenz (1880— 1957)

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Pedro Segura y Sáenz (1880— 1957)

Young migrant worker brings his hops to weigh scales, 1939

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Young migrant worker brings his hops to weigh scal...

Rosa Parks is fingerprinted by police Lt. D.H. Lackey in Montgomery 1956.

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Rosa Parks is fingerprinted by police Lt. D.H. Lac...

Suffragist Alice Paul at lunch.

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Suffragist Alice Paul at lunch.

Rosa Parks Mug Shot 1955.

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Rosa Parks Mug Shot 1955.

Rosa Parks sitting on a bus in Montgomery, Alabama, 1956.

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Rosa Parks sitting on a bus in Montgomery, Alabama...

Susan B. Anthony and Elizabeth Cady Stantonm 1899.

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Susan B. Anthony and Elizabeth Cady Stantonm 1899.

Elizabeth Cady Stanton and Susan B Anthony.

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Elizabeth Cady Stanton and Susan B Anthony.

Suffragist Alice Paul, 1917

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Suffragist Alice Paul, 1917

Photograph of Alice Paul, 1850.

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Photograph of Alice Paul, 1850.

The Epic of Gilgamesh is an ancient poem from Mesopotamia

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The Epic of Gilgamesh is an ancient poem from Meso...

Ellen Cicely Wilkinson

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Ellen Cicely Wilkinson

Evangelista Torricelli inventing the mercury barometer

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Evangelista Torricelli inventing the mercury barom...

Colorimeter, after design by Labilliardiere with modifications by Salleron

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Colorimeter, after design by Labilliardiere with m...