Tip - Inside the Panama Canal Video - Modern Marvels - HISTORY.com

Published 9 years, 3 month(s) ago | Submitted by Kim Cihlar

Until 2002, the Panama Canal locks were operated by a massive bull-gear system from 1914.

For further reading: http://www.history.com/shows/modern-marvels/videos/inside-the-panama-canal

Posted: 9 years, 3 month(s) ago

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