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Sun Scope
We haven't had this much excitement around here since the first shipment of burp guns arrived! The Solarscope is here, and everyone's lined up to look into it! This solar viewing device lets you indirectly watch sun spots, solar eclipses, even clouds drifting across your line of sight. Using it, you can determine the changing times of solar noon, the sun's rotation rate, the earth's pole axis inclination, your latitude and more. The adjustable corrugated-cardboard framework holds a first-surface mirror, and a Cx lens in an 8-1/2" long tube, which reflect the sun on a white panel of the frame. On sunny days, it can be used outside, or inside through a window that faces south (or north, if you drag it down to Argentina or Australia). Simple to assemble, and to disassemble for storage between solar viewings. It's 14-1/2" x 16-1/4" x 24" high OA, and comes with a 38-page teacher's guide. It's made and sold in France by Light Tec Optical Instruments, and we're one of the few Solarscope sources in this country.
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92356 SOLARSCOPE |
The Sun'll Come Out Tomorrow...
Bet your bottom dollar it will. Be ready for it with this nice solar cell made of glass-enclosed copper indium diselenide. Measures 2-3/8" square x 3/32" thick and is rated for 4.5VDC at 50mA. Has (2) 1" long contact strips for output; the negative strip is marked. Made in the USA.
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37731 4.5 VDC SOLAR CELL |
Little Blue Blankie
This extremely soft, hemmed microfiber cloth, 14" x 12", is perfect for polishing lenses or glasses, or as a dust cloth or washcloth, but some folks might see it as a handy traveling mini-blankie, for a little extra security on the road. In a comforting powder blue color. Folds up to a very small package.
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37986 MICROFIBER CLOTH |
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