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For heavier telescopes and astrophotographic setups, an extra counterweight or two may be needed. This 11 lb. counterweight for the Celestron CG 5 equatorial mount has an attractive finish and tri lobe lock knob for easy grip. - celestron,celestron c
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$29.95
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Bring the art and the science of the Renaissance into your home with this beautiful Galileo Thermometer. In the midst of an explosion of knowledge, Galileo discovered that the density of a fluid is linked to its temperature. Now you can make use of h
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$19.95
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Oh, if we had a nickel for every time we've wanted to build a light controlled electronic harp, we'd have . . . well, less than 5 cents. But, hey, even if you are not dying to make a high tech harp, there are plenty of great electronics projects you
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$49.95
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Bring the art and the science of the Renaissance into your home with this large and beautiful Galileo Thermometer. In the midst of an explosion of knowledge, Galileo discovered that the density of a fluid is linked to its temperature. Now you can mak
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$29.95
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This venerable annual provides a monthly calendar of sky highlights plus a wealth of tables, articles, and charts covering all things astronomical for the dedicated observer. Be prepared for all celestial events of interest the International Year of
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$24.95
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Add style and functionality to your walls with this shining Modern Wall Clock with Weather Station. Featuring a quality Japapanese thermometer and hygrometer, this stylish modern wall clock tells time and also accurately measures the temperature and
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$49.95
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Now that we're firmly in the future of the 21st century, it's time to make your house look like it belongs there, and what better way to do so than with a Plasma Ball This 7 Plasma Ball provides the thrill of seeing colored snakes of electricity shoo
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$28.95
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NASA photos of Earth taken from space seem to suggest that our planet is not perched atop a plastic stand or attached to some C shaped spindle. So why should your desk globe be This beautiful 8 diameter globe takes a page from the real planet Earth,
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$79.95
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This informative guide provides an extensive overview of binoculars and telescopes as well as a short course on observing the night sky's wonders. Written for amateur astronomers as well as anyone considering getting into the hobby, it includes detai
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$25.95
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Use this adapter to power your StarSeeker GoTo telescope from a household 110 volt power outlet. It converts 110 volt AC to 12 volt DC power. You'll save money on batteries and will never have to worry about running out of power during an observing s
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$19.95
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