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most building lots in the past were a quarter of an acre, measuring one chain by two and a half chains, ... using what became known as Gunter's chain; this was 66 feet long and from the practice of using his chain, ... Contents 1 Origin 2 Contemporary use 2.1 Cricket pitches 2.2 Hispanic chain 2.3 Australian and New Zealand use 2.4 North American agriculture 3 Ramsden's chain 4 Other instruments 5 References 6 External links [edit] Origin The chain was commonly used ...
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http://en.wikipedia.org/.../Chain_(length)
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