Herschel, John F. W. (John Frederick William), Sir, 1792-1871 · London : Longman, Rees Orme · leaf 29
ome certainheight above the sea, sees the whole of the ship, evento the water line where it rests on the sea, as at A. Asit recedes it diminishes, it is true, in apparent size, butstill the icLote is seen down to the water line, till itreadies the vifibk horizon at B. But as soon as it haspassed… … \Yrhen it has reached a certain distance, as at C, its hullhas entirely vanished, but the masts and sails remain,presenting the appearance c. But if, in this state ofthings, the spectator quickly ascends to a higher station,T, whose visible horizon is at D, the hull comes again insight; and when he…
Astronomy
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