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50,000 Volts
That's what you get with this tesla coil!! Brand new, commercial item, great for classroom demonstrations and experiments. The 50,000 volt capacity generator radiates high frequency energy through space... enough to light fluorescent tubes two feet away. It uses 115 VAC (60 Hz) with an electro-magnetically operated interrupter buzzer, high voltage capacitors, inductive coil transformer, and a monopolar high frequency transformer generator to do the trick. 11" high, with a 6" sq. x 2" high protective housing for the generator. Includes accessories and instruction booklet with 19 experiments. Pretty amazing. But please, this is not a toy and should be used only under adult supervision.
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70301 50,000 VOLT TESLA COIL Note: This item is not eligible for Expedited Shipping or delivery to Alaska, Hawaii, or the Territories. |
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Pick Pick, Chip Chip
Rock hammer with one square chipping face and one pointy picking face. Steel head and shank, molded rubber grip. Taiwanese. 1 ft. long x 6" across the head 1-1/2 lbs. Well made. Good buy. Good bye!
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88055 ROCK HAMMER |
Clearly a Flask
A clear-glass, heat-resistant, volumetric flask with a ground glass neck and mating glass stoppers. These flasks are calibrated either at 500ml or 1000ml depending on which size you need. Both are around 12" tall. Not into lab work? Try it for techie salad dressings! Ain't surplus cool?
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91700 FLASK, 1000ML | |
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91699 FLASK, 500ML |
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Break Your Own Geodes
WARNING: CHOKING HAZARD-Small Parts. Not for children under 3 yrs.
Pop one of these roughly 1-1/4" dia stones into the toe of a sock, smash it with a hammer, and be the first person ever to see your real-as-Nature-makes-it geode!! Ninety percent of them have the familiar beautiful white crystals inside. Formed by volcanic action, they are found all over the world, but ours are from Mexico. There is no way to tell from the outside if they have crystal centers, but we will send you two just to raise your odds, and we haven't had a dud yet in our stores!! Much much more fun and satisfaction than buying one already cracked.
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88823 GEODES |
Dandiest Donut in the Domain
Donut magnet you can take to town!! 74mm dia x 14mm thick with a 30mm hole. Very strong and well pedigreed - in fact, its kin are activating pacemakers. They are of a high permeability ferrite material with a lovely light blue or white epoxy coating. Okay, we have them because there is the odd bubble or scratch in the coating which ruled them out of the medical ball, but they're fine company nonetheless. Good display bases, paper clip traps, and super for classroom demos.
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2823 BL/WH DONUT MAGNET |
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It's A Snap
Every lab needs one: this spring-loaded metal pincer lets you rotate a glass tube against a cutting blade, then press down to snap the tube just where you want it snapped. Simple and precise, for tube diameters from tiny to 1-1/2".
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91921 GLASS TUBE CUTTER |
The Paragon
...is an inspection and dissection binocular microscope. The manufacturer says it's "perfect for industrial, agricultural, biological and educational uses." We heartily concur, which is why we're stocking this shiny new non-surplus item. "The Paragon" is 15" high, sturdy, easy to use, and has an acid and reagent resistant finish. At 10X and 30X magnification it's not for the weensiest microbes, of course, but if your work is on the scale of distinguishing weevil species, this is what you want. The 95mm dia stage plate reverses white to black for contrast, and the rack and pinion pole mount lets you view samples up to 17 cm in height. The binocular head is inclined for comfortable viewing, rotates 360°, Wide field 10X eyepieces adjust to 55 -75mm interpupillary distance. 1X and 3X objectives are turret-mounted. With the 1X objective, you get a 19mm field of view, with the 3X, a 9.5mm field. In either case the working distance is 95mm. Don't do entomology without it.
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90313 DISSECTING 'SCOPE |
Carton Tape & Gun
An imported tape dispenser specifically for the 2" wide carton tapes listed below. Guns of this type retail at $9.50 to $11.50, but we're offering this price to you as an accommodation to introduce you to the thrill of packaging, and to let you transform your dining room table into a shipping department overnight. The clear tape is an uber-sticky 2” X 55 yards. A high-quality tape made in the USA can be used as protective covering over labels or for sealing cartons. The tan tape is, well, tan, and the standard lightweight, 2" carton-sealing tape, available in 36 and 110 yard lengths, both of which are on 3" cores and fit the dispenser. And do compare the savings -- even discount stationery catalogs can't touch these prices.
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38752 110 YARDS TAN TAPE | |
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38751 36 YARDS TAN TAPE | |
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10851 CARTON SEAL TAPE DISPENSER | |
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3994P3 CLEAR TAPE, 55 YD | |
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3994P36 CLEAR TAPE, CASE OF (36) |
Cool Tool
Winner of this week's "What IS That?" award. It's a watch crab, also called a spanner wrench, that's designed to remove the back from watches, lenses from telescopes, and other thin, flat components from whatever they're attached to. Heavy for its size, it's 1" x 2-3/4" x 3/8" thick, with sharp 1/4" prongs projecting from the edge. The prongs move from 2" to 7/16" apart as you spin the furled nut between them. An impressive tool to flash in front of your brother-in-law. If he doesn't read our catalog, he won't have a clue!
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91902 SPANNER WRENCH STYLE WATCH CRAB TOOL |
Miracle Fiber
Thinner than a human hair! Smoother than a baby's bottom! More absorbent than an enthralled groupie! Its a microfiber miracle cloth. It really is amazing folks. A 6" square cleaning cloth woven of 90,000 microfibers per sq. inch, each 0.5 mm dia. Super absorbent, it can be used wet or dry to clean the most delicate lens, CD, or for that matter, your car or kitchen counter. "As seen on TV" except this one really lives up to the hype. You need several to clean super clean where it really counts. Like your specs and other coated optics.
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91497 CLOTH, CLEANING, MICROFIBER |
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 |
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