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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 |
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 |
SURPRISE!!
Mystery Boxes of stuff like what you see in the catalog. Maybe we had a little left but not enough to continue the listing. Maybe we only got a few as part of an odd lot. Maybe we just lost some, and just found them in our warehouse. You will get items which originally listed for at least $25.00 total in our catalog (or would have, if we had enough). You pick. The "electro-mechanical" box has things like motors, switches and components that are useful parts but want to be worked into something bigger. The "consumer" box has more ready-to-go type items, and things that don't have as technical a flavor, like bottles, toys, books and giant rubber bands. The fun is in the mystery and surprise. Perfect if you don't know what to give Aunt Maude and Uncle Ned, or if you can't decide how to bring your order up to the minimum. Every couple of months the contents will keep changing, so even if you have gotten a box before, feel free to order again! (Please note: Ordering multiple boxes at the same time will result in duplicate items.)
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23610 CONSUMER SURPRISE BOX | |
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23607 ELECT-MECH SURPRISE BOX |
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.
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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.
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91228 RD. HOBBY DISH | 2-3/4" | 4 |
Laser Light Show
It's a standard keychain laser pointer, 2-1/2" long, 1/2" dia. But it comes with (5) different screw-on heads, allowing you to project everything from the useful (a single point) to the frivolous (a flying saucer, mudflap girl, two fingers up, dbl candy cane). Good distance, too. Specs: Class II laser; 630-680nM; output less than 1mW. Batteries are included. (Please note that the heads may change slightly)
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91073 MULTI-HEAD LASER |
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