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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.
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88189 CLAMP, SCREW |
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Mighty Photo Cells
Designed for a high power and rather hostile environment (like a street light) these photo cells have values from 1.36 Mohms to 40 Mohms in the dark and from 50 Ohms to about 1000 Ohms in outdoor daylight. We pick what you get (2 different) in this range. 0.55" dia, they need a clear lens protecting cover if used outside.
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30693 ASS'T STRONG PHOTO CELLS |
Tempera Paints
Weber Costello Alphabrite(tm) liquid Tempera paints. Non-toxic (but don't eat them) and in 8 oz. unbreakable plastic jars with wide mouths. Priced below Weber Costello's wholesale price for large quantities, how can you miss for school, church or home?
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23553 TEMPERA PAINT, BLACK | |
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23544 TEMPERA PAINT, PEACH |
Burner Stands
Three-legged steel stands for cooking above burners in the lab. The small unit stands 6" tall with a 2–1/4" ID (3–1/4" OD) burner ring. The large one stands 9" tall with a 3–1/4" ID (4–1/2" 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.
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89735 BURNER STAND, 6" | |
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89736 BURNER STAND, 9" |
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".
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91007 EMERGENCY BLANKET | |
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91432 MYLAR SLEEPING BAG |
Flashlight Cones
Yellow translucent plastic cones, 9-7/8" long OA. They were made in China to fit over a flashlight thus turning it into a warning device. They are fine for that if your flashlight has a 2-1/2" dia. business end, the ID of the large end of the cones. The small end of the cones is 7/8" dia., and may have a removable plug of the same plastic. However some of the plugs have wandered off, so the end may be open. Not into signaling?? Use them as traffic obstacles on the play lot, to mark the edge of the volleyball court at the beach, or to protect the lump on your head from rain!!
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22136 FLASHLIGHT CONE, YELLOW |
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Fan Toggle
Standard household sized switches that move smoothly so you can control how much power is delivered. Intended for ceiling fans; these also work perfect with open-frame or light duty motors. Won't work with lights. Single pole, 5 amp, household current. Easy to install! Available in two colors.
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29379 FAN TOGGLE, WHITE |
Glasnost Pays Off
No one beats the Russians when it comes to inexpensive, high quality lab equipment. Everyone from electrical engineers to botanists to archeologists to jewelers will appreciate the craftsmanship of this 4.8x-98x stereo microscope. The scope comes with 0.6x, 1x, 2x, 4x, and 7x objectives plus pairs of 14x and 8x eyepieces, all with high quality achromatic lenses. Furthermore, it’s as loaded with extras as a Lexus off the lot: eye guards, arm rests, a scale reticle built into the 8x eyepiece and a grid reticle, a 14.5” adjustable stand to accommodate samples of all sizes. Also comes with a 6vac/20w illuminator with adjustable brightness, light condenser, and light filter for oblique/transmitted light and a substage reflector with a mirrored side and a diffusive white second side for transparent/translucent specimens. Try our Photomicrography attachment. Call for more information. A true treasure!
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89971 STEREO MICROSCOPE |
Suit Your Soil
Grow a beautiful garden full of plants that love your soil! It's easy if you know your soil's pH, and we have a gauge to help you! Stick the probe into moist soil for the pH to register in a separate 4" x 2" x 1" gauge box on the end of a 26 ft. cord. That let's you keep the probe in the garden while reading the gauge at your doorstep! A needle indicates the pH on a scale of 3.5-9, and you get a list of which plants like which pH levels.
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91586 PH GAUGE |
Lab Stand
Affordable, adaptable lab equipment for serious scientists with laughable budgets. The basic stand is heavy black metal 8" long x 5" wide x 1" high with a 19-1/2" x 3/8" dia support rod screwed into it. Position a beaker or bunsen burner on the stand and build the configuration you need above it. Both of the Burette clamps and the ring attach to the rod with thumbscrew clamps. The Burette clamps have wing nuts so they can be adjusted to any angle. The single clamp extends 4" from the rod, with rounded, uncoated, adjustable metal jaws with spring tension and a wing nut. The double clamp like it has rubber-coated jaws. The 3" metal support ring holds the 6" x 6" heavy-gauge steel-mesh burner screen with crimped edges. Nice, solid equipment at a rare price.
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88192 3" RINGSUPPORT RING | |
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91831 6" X 6" SCREEN | |
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88597 DOUBLE CLAMP | |
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88195 LAB STAND | |
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88186 SINGLE CLAMP |
Not Petri Hobby Dishes
Surpies (regular A.S.&S. fans) know that there is nothing better than a Petri dish for holding small parts for a model, beads for a craft item, or specimens from a field trip, unless it’s something that works like a Petri dish but costs less. We’ve got that!! And they’re so inexpensive you that you can buy enough for those few odd nails, screws, bolts, and tourmalines. These heavy–duty, clear–plastic bead containers are about 3/4” deep. They stack, with the bottom of one dish becoming the lid of the one below it. The 2–3/4” rounds come in a pack of (4) with (4) lids, so they can be used separately. The pack of (12) 1–1/4” squares comes with (2) lids, so they can become (2) stacks.
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91228 RD. HOBBY DISH | 2-3/4" | 4 | |
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91229 SQ. HOBBY DISH | 1-1/4" | 12 |
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