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Lubit-8
Syon(tm)"Lubit-8" oil with teflon for small jobs like power tools, sewing machines, fishing tackle, locks and toys. Comes in a pen like tube with needle point applicator built in for drop-at-a-time precision. Great stuff in the slippery department and handles temperature extremes, -70°F to +200°F, with ease. As they say, "One drop does the job."
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89306 SUPER OIL W/ TEFLON |
LEDs By The Dozen
Light emitting diodes. Solid state devices that provide the ubiquitous power and indicator lights on your electronic gadgetry. Unlike lamps, there are no filaments that glow. Rather, some two volts of DC power at a miniscule 10 to 20 milliamps of current get the chemistry excited, and they just plain emit. Emit is a good word, too, as they don't really cast light, but glow brightly. We have a nice assortment of 3 and 5 MM diameter sizes in red, green, orange, and yellow. The longer lead is always positive, the shorter always negative, and you always need a current limiting resistor (about 500 to 1,000 ohms for 5 to 9 volt DC sources) to keep the current in the 10-20 MA range. If that's Greek to you you're either going to blow a lot of LED's or learn to change incandescent indicator lamps ! !
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6796 LED ASSORTMENT |
Resistors
We have hundreds of thousands of 1/4 watt resistors which we will send an assortment of (100) 1/4 watt resistors of at least (10) different ohm ratings. All have two axial leads, and 5% tolerance. Don't miss out! This is to cheep to pass up.
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21970 ASSORTED RESISTORS |
Battery Holders
We have a number of battery holders, constantly changing in detail. They may be plastic, they may be metal. They all have either simple short wire leads or connection points. In all cases, they hold a number of batteries and connect them internally in series. The table shows the number and type of batteries held, the final voltage, material, lead type and price.
| No. | Type | ||||
|---|---|---|---|---|---|
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21337 BATTERY SNAP W/LEADS | (1) | 9 Volt | Details | |
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93221 BLUE SINGLE D CELL HOLDER | (1) | D | Details | |
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35065 HOLDER, 1 "N" | (1) | "N" | Details | |
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92475 HOLDER, 1-AA | (1) | "AA" | Details | |
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92476 HOLDER, 2-AA | (2) | "AA" | Details | |
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92477 HOLDER, 3-AA | (3) | "AA" | Details | |
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93190 HOLDER, 4-AA | (4) | "AA" | Details |
Motor Along
WARNING: CHOKING HAZARD-Small Parts. Not for children under 3 yrs.
Everything you need to build a little DC motor is included in this kit (except sandpaper, screwdriver, scissors and, of course, an AA battery). The instructions are simple and explain the theory as well as assembly. Fun and educational.
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91508 TOY MOTOR KIT |
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 |
Battery Tester
Knowledge is power - in this case, battery power. You'll know from the easy-to-read gauge on this black-plastic handheld mini-tester whether a battery is good, low or needs to be replaced. The 4-1/4" x 2-3/8" x 1" testor reads "AAA," "AA," "C," "D," 9 volt, 1.5 volt button, and other sizes.
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91981 BATTERY TESTER |
Soldering Iron
Penciltype soldering iron imported from Taiwan. Overlook the charming instructions, it works just the way everyone does. 30 watt 110 volt, nice, serviceable unit.
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88242 SOLDERING IRON |
Digital Multimeter
3-1/2 digit LCD electrical multimeter with a max reading of 1999. Measures (5) ranges of DC, (2) ranges of AC voltage both to 500 V, (5) ranges of resistance to 200K ohms, DC current to 10 Amp., diode test, transistor and battery test. A pocket sized 2-7/8" x 5-3/4" x 1-1/2", it comes complete with test leads and 9 volt battery. The best value for this size we have seen.
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89416 DIGITAL MULTIMETER |
Shrink Tight
Our black-vinyl heat-shrink tubing is 1/4" dia, already cut into 2" lengths, and shrinks to half its diameter. The tubing is marked "fuse link 20 ga." You'll get a package of (20) tubes.
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15500 HEAT SHRINK TUBING |
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Microscope Accessories
WARNING: CHOKING HAZARD-Small Parts. Not for children under 3 yrs.
You bought one of our excellent microscopes - now you need interesting, good-quality slides. You need our Microscope Accessory Kit. The kit includes The World of the Microscope, a well-illustrated 48-page book that explains the instrument and how to use it. You get supplies to create your own slides, including a box of (72) standard glass slides, about 1" x 3", with ground edges; tweezers with which to position your specimens; a 4" glass dropper with a rubber bulb from which to drop small amounts of liquid onto the specimens; and (100) square pieces of #1 thickness cover glass to place over them. A great way to get focused.
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91942 MICROSCOPE KIT |
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