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2 Set Coupler
Or antenna splitter if you prefer. Hook the standard flat 300 Ohm lead from your UHF, VHF, FM antenna to one side of this box and (2) identical leads to the other side. Each of the (2) output leads can connect to a different TV input connection. Thus you will couple (2) TV's to a single antenna. 2" x 2-3/4" x 1-1/4".
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25595 COUPLER, 2 SET |
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 |
Pencil Torch
Refillable butane torch, with a 1/2" dia x 5-3/4" body and a 1/4" dia. x 2-1/4" long head. Strong enough to melt solder, silver and gold solder, glass tubing and such metals as gold, silver, copper, tin, and aluminum. Equally handy around the hobby shop, jewelry bench, or lab. Refills from standard butane lighter canister.
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22490 PENCIL TORCH |
Warning
Good red neon indicator light of the square variety. Operates on 125 VAC, 1/3 W. It snaps into a 1-1/8" x 1/2" panel hole and is 1-5/16" deep including the (2) spade connectors. The white plastic bezel and housing surrounds a 13/16" x 3/8" red lens. Probably an on indicator from an appliance or tool.
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23744 RED NEON INDIC. LIGHT |
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.
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89323 TEST TUBE RACK |
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Four Season Switch
The four positions on this 2" x 1-5/16" x 7/8" rotary switch represent the four seasons of the year. The spring position turns on terminals 1 and 5. The summer position turns on all of the terminals. The fall position turns on terminals 2,3,5 and 6. On the winter setting, the time of year when all is quiet and dead, none of the terminals are turned on. All of the terminals have spade connectors and terminals 2 and 3 are joined. The switch has a 7/8" x 1/4" dia. fluted shaft and is mountable via. (2) threaded holes on the face plate. 25 amp at 125 VAC max.
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29723 FOUR SEASON SWITCH |
Pull, Pull, Pull Your Boat
A nice pulley just ready to be combined into the block and tackle you need for tiny jobs, like trimming your bonsai trees or hauling your model boat out of the pond. Get this block with (1) sheave and rig up whatever you need. Each block has an aluminum frame about 3–1/2” long with “S” hooks on each end. The sheaves, or wheels are about 2” dia x 1/4” wide, with a “V” groove that looks perfect to handle 1/8” or smaller Venetian blind cord. These dudes are perfect for demonstrating mechanical advantage in the physics lab!! But not for heavy lifting.
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91186 SINGLE SHEAVE PULLEY |
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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.
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88987 BEAKER, 1000ML | |
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92611 BEAKER, 2000ML | |
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88985 BEAKER, 250ML | |
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88984 BEAKER, 50ML | |
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88986 BEAKER, 600ML | |
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88993 ERLEN FLASK, 500ML | |
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88992 ERLEN. FLASK, 250ML | |
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88991 ERLEN. FLASK, 50 ML | |
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88989 GRADUATED CYL. 100ML | |
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88988 GRADUATED CYL. 10ML | |
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88990 GRADUATED CYL. 250ML | |
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88995 TEST TUBE, 13X100MM | |
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88996 TEST TUBE, 16X150MM | |
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88997 TEST TUBE, 20X150MM | |
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92614 TEST TUBE, 25X150MM |
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A Snarl of Magnet Wire
One of those sharpie East Coast outfits pulled a fast one on this poor naive Midwestern dealer. The result is we have a pile of exotic coated copper magnet wire. The coatings and colors vary widely, as does the gauge of the wire. With a couple of exceptions there isn't enough of any one kind among the hundreds in the pile to list separately. So we are offering an assortment and you get whatever we grab. Either way you will get a terrific value, particularly if you have an exotic application and get just what you need. Even if you are just making a garden variety coil or electromagnet you will still find the prices are very good. So go ahead, profit from our misfortune. We are glad to be of service. Sigh.
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36227 MAGNET WIRE, 16 GA | |
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36228 MAGNET WIRE, 20 GA | |
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36229 MAGNET WIRE, 24 GA |
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LED Displays
A big grab bag of LED display tiles. Assorted colors - red, green, amber - and displays. Small are 1" x 2" and smaller; 3-9 volts; and include seven-segment numeric, dot matrix, and alphanumeric. Sorry, we can't tell you what size or display you'll get, but Small has at least (4) different. Think of it as a surprise present from Uncle Barry. Hook 'em up and find out what he gave you!
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29233 LED DISPLAYS, SM |
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, hardware 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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