Chatterton, E. Keble (Edward Keble), 1878-1944 · London : Sidgewick & Jackson, litd · leaf 222
was the astrolabe ? It was an instru-ment used for taking the altitude of the sun and stars.For two hundred years before it was used by theChristian seamen of the Mediterranean, it had beenemployed by the Arabian pilots in the eastern seas.The derivation of such a curious word is not… … 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…
Ships · Shipbuilding · Navigation
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