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Quad Power
The Quad XP-581 from Elenco provides four separate, fully regulated power supplies. Three are fixed and yield +5 VDC at 3 amps, -12 VDC at 1 amp, or +12 VDC at 1 amp. The fourth supply is variable, producing 2.5 to 20 volts of DC output at up to 2 amps. Line and output voltages are regulated to within 0.05 volts, and the supply is linear. All four supplies are shortproof as well. A current foldback circuit in each supply collapses the field in the event of a short, a current surge from the line, or an excessive current demand. Thus, both the Quad XP-580 and the equipment it's driving are normally protected from inadvertent errors or power company problems. Elenco built the supply as only Elenco will. The handsome, hooded metal case, - measuring 3-1/4" x 8-1/4" x 9-1/4" and weighing nine pounds - has a 3-wire grounded power cord for 115 VAC operation, panel meters for both current and voltage, and standard jacks for accessing the four regulated supplies. A two-year limited warranty and schematic is also included.
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5116 QUAD POWER SUPPLY |
Be(prism)am
Nice little cubic beamsplitter prism. (Get it?) 12 x 11 x 10mm, it's painted black on (3) sides. Low transmission-about 70/30 or 80/20-but it'll be fine for classroom demos, experimentation, or perhaps souping up your fancy laser device.
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42819 BEAM SPLITTER PRISM |
Micro Chuck
A really small guy who lives....Whoops! Wrong Chuck. This one is a drill or rotary tool chuck with a 1/8" shank and fits bit sizes #60-#80 to facilitate handling tools with truly small shanks. Very handy in the modeling and electronics worlds.
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89759 MICRO CHUCK |
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Metal Razor Saw
Precision metal saw of the type usually known as a razor saw. It has a 4-1/2" long x 1" deep blade with very fine teeth and reinforcing down the spine. Complete with plastic handle. Excellent for cutting small metal tubes and strips for hobby work.
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88560 PRECISION METAL SAW |
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 |
Golden Touch
Anything it touches, it erases! If it only touches a pencil drawing. Pad is 2-1/2" x 2-1/2" x 1", filled with an erasing powder. Rub it over your drafting/pencil sketch/algebra exam and it'll erase for you. Also cleans grime off of your drawing surface before you begin. Superb for artists, draftsmen, and engineers.
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27730 DRY CLEANING PAD |
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Phone Index
A pretty cheap little phone number holder that will work fine at a beginner level. 3" sq x 3/8" thick, it is a white plastic case that opens to one of 12 pages for phone numbers or notes. Slide the index pointer on the edge to select the three letter group of your choice. Lift the lid and the selected page will be displayed. We like it for a stocking stuffer.
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29957 PHONE NUMBER INDEX |
Rainbow Bouncer
WARNING: CHOKING HAZARD-Small Parts. Not for children under 3 yrs.
Plastic disc, 2-1/4" dia with a diffraction grating face. Place the disc in the sunlight, and it will reflect a myriad of rainbow splashes on a wall, ceiling, screen etc. Neat!
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88884 RAINBOW BOUNCER |
Ultimate Control Panel
CD player digital displays in perfect condition. Each can show hours/minutes/ seconds, track, and index numbers, and can also indicate right/left speaker volumes, cassette functions, and (20) other words/states. Once you sort out the functions of the (34) 5/8" leads (the Japanese manufacturer might be of help here,) you could use these to replace broken displays or relabel them for use with whatever machine you're piecing together. They are particularly good components for tinkering because the leads are long and easily accessible. The panel is 2" x 4-1/2".
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25956 FLUORESCENT CD DISPLAY |
Thermal Sensor
Heat switch that is normally open below 135° F and closes at higher temperature. Imagination is the limit here. We don't have formal electrical ratings but believe it can handle about 2 Amps @ 120 VAC. It can be used (perhaps with a relay) to trigger a fire alarm when mounted near a furnace, in a garage, or in an attic. How about using it to shut off electronics or motors when overheating occurs? Or to activate a fan for cooling? Use it to record how long the furnace is on to rate its efficiency. 5/8" dia x 3/8" sensor head with (2) 1/4" x 1-5/8" long fixed leads.
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25813 HEAT SWITCH, 135DEG F |
World Dimmers
Okay, polarizing filters for the literal minded. Each filter is a 20 mm dia x 2 mm think piece of glass with a couple of tiny slots in the edge. Each has 20% transmission by itself, which may not sound like much, but is about what you get through decent sunglasses. We are selling a pair so you can do experiments on transmission as you rotate one against the other to reduce the light getting through virtually to nothing. Or you can make some very cool granny sun glasses if that turns you on. The big guys get upwards of $7.00 per filter for these dudes!! Isn't surplus cool??
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26970 POLARIZING FILTERS |
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