Webwhen sailing north from cape howe, cook and banks between 20 and 24 april, 1770, discussed the effect of land on the variation of the needle.

Weba star compass is a mnemonic device that is taught using a circular or rectangular diagram where each “compass” point indicates the rising or setting position of guide stars (alkire.

At just 106 feet in length, the ship was compact.

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Webif you’re ever wondering why your dead reckoning is out, or the magnetic compass is not agreeing with your gps, a new analysis of old ships’ logs could hold the answer.

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