Astro Visualizer and User Manual
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Date: Catalogue #: Designed and donated by Barrie Jonston Tonkinson
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astro_visualizer_user_manual.pdf From the Astro Visualizer ‘User Manuel’: "The Astro Visualizer employs a gimbal system allowing rotational freedom about three axis and is designed to bring clarity to three-dimensional celestial representation. Based on the observer’s horizon plane the instrument gives a faithful representation of what the observer actually sees." |
