The mystery object isThe first sea clock called simply Harrison H1.It’s a clock that tells time in sea wherever and whenever the sailor is.here is the link http://www.solarnavigator.net/history/john_harrison.htm Ryan
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The mystery object is
The first sea clock called simply Harrison H1.
It’s a clock that tells time in sea wherever and whenever the sailor is.
here is the link
http://www.solarnavigator.net/history/john_harrison.htm
Ryan
Post a Comment