Device for determining latitude
Wall Art and Photo Gifts from Science Photo Library
Device for determining latitude
Latitude. 17th century device for determining latitude. The metal bar is attached to the centre of the disc. An observation of the rising of a known star is made and its location plotted using the bar against its known declination. The angle read off from the edge of the disc as pointed to by the bar gives the latitude. This illustration was first published in De magnete by William Gilbert, printed in London in 1600
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Media ID 6315105
© Todd-White Art Photography
1600 1600s 17th Century Determination Diagram Enlightenment Gilbert Latitude Magnet Magnetic Field Magnetism Measurement Navigation Position Will I Am Wood Cut De Magnete Mono Chrome Terrella
EDITORS COMMENTS
This print takes us back to the 17th century, showcasing a remarkable device used for determining latitude. The intricate contraption consists of a metal bar attached to the center of a disc, revealing the ingenuity of navigation tools from that era. The process involves observing the rising of a known star and plotting its location using the bar against its known declination. By reading off the angle indicated by the bar on the edge of the disc, one can accurately determine their latitude. This ingenious method was first published in "De magnete" by William Gilbert in 1600, during an era characterized by enlightenment and scientific exploration. The woodcut illustration exudes an air of historical significance as it captures this pivotal moment in time when magnetism played a crucial role in understanding our position on Earth. The magnetic field depicted adds another layer of intrigue to this fascinating snapshot from history. Todd-White Art Photography has masterfully captured this mesmerizing image, allowing us to appreciate both its aesthetic beauty and scientific importance. As we gaze upon this monochrome masterpiece, we are transported back centuries ago when determination and measurement were key elements in unlocking navigational mysteries.
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