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-   -   John Harrison's 1730 Marine Clock - The Powder of Sympathy (http://www.clubconspiracy.com/forum/showthread.php?t=17667)

Martin Timothy 06-02-2014 12:21 AM

John Harrison's 1730 Marine Clock - The Powder of Sympathy
 

http://www.rmg.co.uk/explore/astrono...facts/harrison

Quote:

John Harrison's 1730 Marine Chronometer for determining Longitude - Hitherto the Powder of Sympathy / Dog method was in use, PoS heals at a distance despite momentary pain, thus an injured dog was put on a ship, when its bandage was dipped into the powder at noon in London each day the dog aboard ship yelped.

http://double-barrelledtravel.com/ti...ich-mean-time/


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