The Development of a Practical Watch Escapement by Roger Smith
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The Development of the Mechanical Wristwatch by Roger Smith
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Roger Smith OBE Live + In Person!
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The time museum series
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Beyond the Tick: Mastering the Art of Escapements, by Bernhard Lederer
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E = mc² QU'EST-CE À DIRE ? | ÉTIENNE KLEIN
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Roger W. Smith - Building Watches From Scratch
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Trump Drops The F-Bomb | Operation Midnight Hammer Failed | ICE's Everglades Internment Camp
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