rotating compass card
51Vacuum tube — This article is about the electronic device. For experiments in an evacuated pipe, see free fall. For the transport system, see pneumatic tube. Modern vacuum tubes, mostly miniature style In electronics, a vacuum tube, electron tube (in North… …
52Tang Dynasty — For the band, see Tang Dynasty (band). Tang 唐 ← …
53Tampa International Airport — USGS aerial photo 10 May 2002 …
54Robert F. Kennedy Memorial Stadium — Not to be confused with John F. Kennedy Stadium. Robert F. Kennedy Memorial Stadium RFK Stadium …
55Elections in the United States — For the most recent elections, see United States elections, 2010. For a complete list of elections, see List of elections in the United States. An 1846 painting showing a polling judge administering an oath to a voter The United States has a… …
56Sun Life Stadium — Former names Joe Robbie Stadium (1987–1996) Pro Player Park ( …
