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  Mariner's Astrolabe
Mariner's Astrolabe
This astrolabe was developed by the Portuguese in the 15th Century (much later than the "planispheric" astrolabe). It was designed to be used for both sun and star observations, and as a practical working model is the simplest of all to use. The construct
$18.00





Last Updated: May 21, 2012 06:22 AM
celestial navigation | astro navigation | navigation | sextant | sextants | nautical books | nautical instruments | marine instruments | astronomy | plotting tools | weather stations | binoculars | radios | GPS receivers
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