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Tornado Tube
Simple, yet clever 1" dia. by 3" long plastic device to demonstrate the vortex effect of a tornado. Partially fill with water one of the two half-gallon size plastic soda bottles which you supply. Screw the bottles into opposite ends of the tube which we supply. Tip so the full bottle is on top and give it a circular starting whirl. Presto! You have a vortex. Call it a tornado if you're a meteorologist, a Charybdis if you're a classicist, or a whirlpool if you're into oceanography. Lots of fun and a fine opportunity to attempt to explain the effects of the earth's rotation on water draining out of a bathtub. The phenomena are related we're told, but good luck!!
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6667 TORNADO TUBE |
Teeny Tiny Tubes
Oodles of tiny clear glass tubes. Open on each end, they'll work wonders when connecting rubber tubing or sticking into stopper holes (#27918 is especially perfect for that). Flint glass, so nothing too hot, OK?
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27921 TINY TUBE, 5 X 150MM | |
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27915 TINY TUBE, 8 X 61MM |
Treat With Heat
Start with one naked wire or a number of them, and a piece of our clever tubing, and end up with nice, tightly covered wire. For the specific diameters below, our each is a package of (10) 12" pieces of heat-shrink tubing. For an assortment of sizes, our each is a dozen pieces of 4" long tubing. You'll get (4) pieces each in 1/8", 1/4" and 1/2" diameters. All sizes are black. All will shrink to trim diameters half their current size when heated to 125°C/257°F. If only it worked on waistlines.
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92441 1/2" SHRINK TUBE | |
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92440 1/4" SHRINK TUBE | |
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93365 1/8"-1/2" ASST. SHRINK TUBE |
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Little Plastic Test Tubes
To meet all of your little plastic test tube needs. They're 13mm x 100mm plastic test tubes (approx 1/2" dia x 3-15/16" long) and will hold 7ml and take #2 or #3 corks, (#2 is a better fit) which aren't included. The bulk price also means you can make endless little vases for keeping flowers fresh in corsages, construct futuristic light fixtures, transparent sculptures, strange centerpieces, whatever. Use your imagination.
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93479 SMALL TEST TUBES |
Tube With Two Caps
These mega-useful empty containers are thin-walled (.032") clear-plastic tubes, 6-3/4" long x 2-1/8" dia, with red plastic, tight-fitting endcaps. We're thinking sandwich cookies, ritzy crackers, homemade treats, candies, emergency kits, fireflies, toiletry containers, door prizes, stocking stuffers, like that.
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38957P8 TUBES | |
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38957P90 TUBES, BULK |
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