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Screw Compressor Clamp

Used to regulate flow through a flexible tube. The screw driven jaw can be accurately adjusted in any position from closed to fully open to allow you to get just the rate of flow you want. The swing-away bottom jaw design lets you install over already connected tubing. The jaw opens to a maximum of 7/8" high and is 15/16" wide. Made of nickel plated steel, all edges are rounded to avoid cutting the tubing.

88189 CLAMP, SCREW
$4.50 PKG(2)

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Toxic Posters

A large book with (8) full-color posters of kiddie faves the Toxic Crusaders. Take them out of the book and plaster your bedroom or toy room with them. But not until you read the exciting story on the back of each poster! They'd cost you $7 at retail!

29319 TOXIC CRUSADER POSTERS
$0.35 EACH

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Halloween Hangers

Nice plastic figures on cotton thread. We have orange pumpkins, white ghosts, and black witches. Each figure is about 2" x 1", and each garland stretches to 9 feet. We'll send (1) of each type per order. Great party fixins!

29075 HALLOWEEN GARLANDS
$2.25 PKG(3)

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Chemiluminescence Kit

Warning!  WARNING: CHOKING HAZARD-Small Parts. Not for children under 3 yrs.

The Cool Blue Light Experiment Kit uses copper sulfate, perborate and luminol to produce light from the energy released in a chemical reaction. The instructions recommend this kit for experimenters nine years old and up, with adult supervision. Some experiments call for the addition of household chemicals like chlorine bleach, hydrogen peroxide or sugar.

90154 COOL BLUE LIGHT KIT
$9.95 EACH

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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.

89323 TEST TUBE RACK
$3.50 EACH

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Make Molds For Free!

Just leave bread in a damp place. Or buy this stuff and make casts of solid objects, anything from faces and fingers to celery and crucifixes, with quick-setting Instamold. (We'll sell you 10 oz. of the Instamold compound, but you provide the water to mix it with.) Then fill the molds you've made with plaster, wax, or Permastone-yes, we sell Permastone too. It's an extremely strong casting medium with a clean white hue when set, waterproof and scratch resistant. Each can we sell has 1-3/4 lbs. of Permastone, to be mixed with water.

90072 INSTAMOLD
$12.95 EACH
90073 PERMASTONE
$10.95 EACH

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Rectangular Bottles

These 12 oz. plastic bottles look like they might have been made for aftershave or hair oil. They might also line up very neatly in a rack in the lab or workshop. They're 4-1/2" across, 1-3/4" deep, and 5" tall (counting the screw-on cap). The mouth is 15/16" ID and they are a beautiful dark blue.

26797 BLUE 12 OZ BOTTLES
$1.00 PKG(4)

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Burner Stands

Three-legged steel stands for cooking above burners in the lab. The unit stands 6" tall with a 2–1/4" ID (3–1/4" OD) burner ring. Legs are 1/4" wide chromed steel and angle outward slightly. Burner rings have a grey baked enamel finish. Legs screw into burner rings and have adjusting nuts. Sturdy construction.

89735 BURNER STAND, 6"
$7.50 EACH

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Chinex?

Rejoice, we have finally found a source of reasonably priced borosilicate lab glassware. This is the kind of glass in the trade marked Pyrex(tm) and Kimax(tm) labware. The stuff you can put right over the flame of the Bunsen burner, or directly onto the hot plate. This stuff is imported from China, and is considered student grade, which is good enough for anything but the most exotic applications. We have beakers, test tubes, graduated cylinders and flasks. Compare the prices below and you will see that they are around half the U.S. equivalent. Call us for larger quantity prices.

88987 BEAKER, 1000ML
$8.50 EACH
92611 BEAKER, 2000ML
$17.95 EACH
88985 BEAKER, 250ML
$3.95 EACH
88984 BEAKER, 50ML
$2.95 EACH
88986 BEAKER, 600ML
$5.50 EACH
88993 ERLEN FLASK, 500ML
$6.95 EACH
88992 ERLEN. FLASK, 250ML
$5.50 EACH
88991 ERLEN. FLASK, 50 ML
$3.25 EACH
88989 GRADUATED CYL. 100ML
$6.95 EACH
88988 GRADUATED CYL. 10ML
$3.25 EACH
88990 GRADUATED CYL. 250ML
$8.95 EACH
88995 TEST TUBE, 13X100MM
$3.50 PKG(8)
88996 TEST TUBE, 16X150MM
$3.25 PKG(5)
88997 TEST TUBE, 20X150MM
$3.50 PKG(3)
92614 TEST TUBE, 25X150MM
$5.25 PKG(3)

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Blacklights!!!

These wonderful lights that are all but invisible, but make whites “glow in the dark”!! Great for Halloween parties, dances, and stimulation of any phosphorescent materials. To avoid eye damage, please do not look directly at the light. This model comes complete with a lighting fixture, reflector, and 18” blacklight fluorescent tube. This fluorescent model has a 18 watt bulb and 6 ft cord for a standard 120 vac wall outlet with a switch. Great goolish fun! (Please note: The "bulb" types do not glow as well as the flourescent types)

89402 120 VAC FLUORESCENT
$16.95 EACH

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Mylar Warmth

They have the look of something designed for the space program. They're mylar, a paper-thin shiny metallic sheet, that comes in handy when your car breaks down in winter, or when you're separated from your climbing group on the slopes of Mt. McKinley. Barring that, they're also a perfect material for a do-it-yourself cold-climate Halloween costume-near impossible to rip by hand, but cut easily with scissors. There's no padding, so they wouldn't be too comfy on your bed, but they sure are warm. They both come folded about the size of a wallet. The Blanket is 52" x 82", the Sleeping Bag is 34" x 84".

on sale 91007 EMERGENCY BLANKET
$1.95 EACH (was $2.50)
on sale 91432 MYLAR SLEEPING BAG
$3.50 EACH (was $5.50)

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