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5.5" Solid Brass Captains Barometer - "Royal Mariner
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5.5" Solid Brass Captains Barometer - "Royal Mariner
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** 5.5" Solid Brass "Royal Mariner" Barometer ** *** Barometer Features : MooreClocks Tidal Information center> NAUTICAL TIDE CLOCKS Atlantic Ocean's Tidal Information The tide is the regular rising and falling of the ocean's surface caused by the Moon's gravity (and to a lesser degree the Sun's). The maximum water level is called high tide; the minimum level is low tide. At any given point on the ocean, t are normally two high tides and two low tides each day. On average, high tides occur 12 hours 24 minutes apart. The 12 hours is due to the Earth's rotation, and the 24 minutes to the Moon's orbit. It is often assumed that the tides are simply the Moon's gravitational force pulling the oceans' water toward itself, but this is wrong. Were it so, t would only be one high tide every 24 hours (imagine the water around the Earth with a single bulge pointing towards the Moon). Instead, the tide is caused by tidal forces, which are due to the difference in gravitational attraction on the near and far sides of a body. The tidal force produces two bulges: one pointing towards the Moon, and one pointing away. This is also why the Moon is the major cause of the tides: at the Earth's surface the straightforward gravitational attraction of the Sun is considerably larger than that of the Moon, but the difference in the Moon's grativational force from the near side of the Earth to the far side is much greater than the Sun's Summary of Moore Clocks Policies Payments PayPal, Money Orders, Personal Checks Deliveries We Ship World WideWe ship by FedEx Ground, Global Express (EMS) outside the U.S. Shipping charges stated are for the lower 48 states only. All International Orders shipped by EMS, fully insured. Please email us at for EMS international rates. Most deliveries are within 3-5 business days after payment has been made.. Refunds Returns Warranties We offer full refunds on defective merchandise. No refunds after 30 day on non-damaged returns. For exchanges please return merchandise in it's original container before the thirty day purchase date. Three year Warranties on all Nautical Clocks. We test our clocks for accuracy prior to shipment. We Ship World Wide Email us on Rates to Canada and the United Kingdom. We will give you the best rate available. After purchasing, | 
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