A Good Watch May Serve To Keep A Recconing At Sea For Some Days And To Know The Time Of A Celestial Observ[at]ion: And For This End A Good Jewel Watch May Suffice Till A Better Sort Of Watch Can Be Found Out. But When The Longitude At Sea Is Once Lost, It Cannot Be Found Again By Any Watch.

-Isaac Newton

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A Good Watch May Serve To Keep

Isaac Newton

A Good Watch May Serve To Keep A Recconing At Sea For Some Days And To Know The Time Of A Celestial Observ[at]ion: And For This End A Good Jewel Watch May Suffice Till A Better Sort Of Watch Can Be Found Out. But When The Longitude At Sea Is Once Lost, It Cannot Be Found Again By Any Watch.

Topic

Jewels

Sea

Ions

Do Not The Rays Of Light Which Fall Upon Bodies, And Are Reflected Or Refracted, Begin To Bend Before They Arrive At The Bodies; And Are They Not Reflected, Refracted, And Inflected, By One And The Same Principle, Acting Variously In Various Circumstances?

Fall

Light

Acting