Unbuilt London airports of the 1930s

[beamender99]

Unbuilt London: The Transport Schemes That Never Were | Londonist (http://londonist.com/2011/11/unbuilt-london-the-transport-schemes-that-never-were.php)

[Proplinerman]

Fascinating-and not just the airports.

[The SSK]

Wasn't the Kings Cross Airport operational, in 1969?

http://www.rafmuseum.org.uk/milestones-of-flight/images/pc73-51-3.jpg

[RedhillPhil]

That's next door at St. Pancras.