Mom uses a trash can to contain her baby while she crochets in the park, 1969

Panavision Camera: $75,000

Piece of white cloth and clothespin: $1.25

The memories it created for us as children? Priceless.

Mug shots from the U.K., mostly from the 1920s & 1930s. Tyne & Wear Archives and Museums [UHQ]

Holland, March 1979: In a collaboration with Sony, Joop Sinjou of Philips introduces the compact disc to the world.

Iranian women protesting the new mandatory hijab law in 1979

'Irish Traveller Family', Killorglin, County Kerry, Ireland, 1954.

Jerome Bonaparte, youngest brother of Emperor Napoleon Bonaparte and the only one among Napoleon's brothers to ever be photographed, 1850

Execution of pirates c 1900. Left hanging by chins and backs of heads, rocks tied to their feet.

The walking library, London (1930s)

Freddie Mercury during school days in Panchgani, 1958

Queen meets the Queen, 1974.

Queen Elizabeth; the Queen Mother, Princess Margaret and a bored Prince Charles watching the Coronation ceremony of Queen Elizabeth II. Westminster Abbey, 1953.

Simple bridge made from two chains in China, circa 1930

Inventor Hugo Gernsback, with His Television Eyeglasses 1963...