Chatterton, E. Keble (Edward Keble), 1878-1944 · London : Sidgewick & Jackson, litd · leaf 224
A Sixteenth-Century Astrolabe, This instrument, in the S. Kensngton Museum, is supposed actually to have been on boardone of the ships of the Spanish Armada, P 172 THE EARLY TUDOR PERIOD cellent illustration can here be seen. It was graduatedalong the rim in degrees and minutes, fitted with… … Astrolabe used by the English Navigators of theSixteenth Century. the mariner wished to take the height of the sun with,this instrument he proceeded as follows : The sun beingnear the meridian or south, the pilot observed the sameuntil it reached its greatest height. Then, holding thering on one of…
Ships · Shipbuilding · Navigation
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