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John Harrison's historic "longitudinal clocks" ( H-1 in 1730s, H-2, H-3 and finally H-4 in 1764), illustrated the nexus between time ( a clock ) and distance travelled along east-west longitudinal world lines; hence, space-time! And it was these "longitudinal clocks" that transformed little England into Great Britain able to place men and guns at precise time and locations on the Earth and therefore Ruled the Waves, Continents and Populations.
"The clock, not the steam engine, is central to the industrial revolution. The clock is the crowning achievement that all other machines aspire to." Louis Mumford ( 1895 - 1990 )
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An unknown and lost Peruvian civilization some 2,500+ years ago devised a sun clock carved out of Chanquillo's 13 Towers, actually a mountain range, employing extremely rudimentary tools so as to create an ancient calendar for themselves and their posterity providing for 13 months versus our 12 months for a yearly calendar and yet still today, in technologically modern times, accurate to 1 or 2 days per month!
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