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Test Tube Rack
Blue plastic test tube rack, about 8" long x 2-1/2" wide x 3-1/4" tall OA. It has a plate with (6) holes for full test tubes, the end two being 1-1/16" dia the others 3/4" dia. In front of this are (6) pegs to hold clean inverted test tubes. It of course can be used to hold tools, drying pasta or other, non-lab objects.
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89323 TEST TUBE RACK |
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 |
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A Corker
There's a tool for everything. Think post-hole diggers for a model railroad layout. All right, all right. Think cork borers for all those solid corks and rubber stoppers in laboratories, the ones that need holes for glass and rubber tubing. Our each is a set of (3) 3-3/4" long brass tubes with sharpened ends and red-plastic T-handles. Diameters are 9/32", 7/32" and 5/32". They're nested on the 4-3/4" pin used to clear the plug from the tube.
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92051 CORK BORER |
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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92439 1/8" SHRINK TUBE | |
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93365 1/8"-1/2" ASST. SHRINK TUBE |
Brushex?
Here’s a fine pair of nylon bristle brushes, just perfect for cleaning test tubes, aquarium filter tubes or your favorite long-necked soda bottle. The smaller brush is 8-1/2” long with a 1/2" dia. while the larger is 10-1/2” overall with a 1-3/8” dia. The bristle area for both is approx. 3-1/2” long.
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88221 LG TEST TUBE BRUSH |
Shrink-To-Fit
The big stuff: translucent white heat shrink tubing at 3/4" dia. Like most heat shrink, this one shrinks to half its size when heated. You get (2) 4-foot pieces, for a total of (8) feet, and it will be bent for shipping, but that won't hurt it. The internationally renowned heat-shrinking department here at the home office suggests using a heat gun, not a disposable lighter, for shrinking this stuff.
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37753 HEAT SHRINK TUBE |
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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