Oyster Fleet, Baltimore Harbor 1885

View of Hoover Dam with jet-flow gates open 1988

Painters hang from suspended wires on the Brooklyn Bridge Oct 7, 1914

The main concourse of Grand Central Terminal, in New York, is seen from the Campbell apartment in this 1937.

This is a photograph of breaker boys – child labour used to separate coal from slate. This image helped lead the nation to outlaw child labour

IBM San Jose 1958

Sigurd Risting in the mouth of a fin whale in Shetland 1912

Direction Board at Mall Lahore c. 1960s

River view of Boulder (Hoover) dam site. Mohave County, Arizona 1904

The rarely-seen upstream face of Hoover Dam, May 1935

Tourists gather around one of the generators in the Nevada wing of the powerhouse of Boulder Dam (later Hoover Dam) to hear its operation explained. 1940

The view from New Jersey A man peers across the Hudson River into Manhattan from his perch on the George Washington Bridge on December 22, 1936

21 years ago, in 1993 Dick Smith and John Wallington made the first non-stop flight across Australia in a hot air balloon.

The Third Avenue elevated train rumbles across lower Manhattan in this undated photo. City Hall can be seen in the background

The headline of the newspaper the man in this May 18, 1940 photo reads 'Nazi Army Now 75 Miles From Paris. This picture shows the corner of Sixth Avenue and 40th Street in Manhattan