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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 |
Brass Mass Set
This (10) piece set of weights are brass cylinders topped with knobs. The weights are stamped on the top. There are (2) each of 1, 2, 5 and 10 grams, plus (1) 20 and (1) 50 gram weight. If you don't want to display them, they can be stored in their molded plastic holder. Our each is the full set.
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90070 BRASS WEIGHTS |
Save the Table
Stick that hot pencil-style soldering gun or woodburning tool into this stand. The base is approx 5" x 3-1/2" x 7/8" in black-painted steel. The holder is a 4" x 1-3/8" dia protective outer coil with an inner metal sleeve, plus a little sponge for wiping your iron.
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92713 SOLDER STAND |
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Delightful Desoldering
Our delovely desoldering device is de spring-loaded suction type, 10-3/4" long. Depress de pump, heat de circuit board pad, squeeze de button, and de solder deesappears. Devious little devil.
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92812 DESOLDERING PUMP |
Johnson Motor
This reversible DC Johnson motor (Johnson #34513) operates from 12-24VDC with a max efficiency of 24VDC, 3057 rpm, and .14 amps. Measures 1-3/16" dia x 1-3/16" long with (2) hook-up tabs on the back and a 3/32" x 5/16" long slotted shaft. Has (2) mounting holes on the face. Works great as a small generator, output 2.5-3 V. Draws 30mA no load, and spins about 1200 rpm at 12VDC.
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37855 JOHNSON MOTOR |
10,000 RPM
Brand new (made for a kiddy car ride with a big gear-box), this reversible 6-12VDC Johnson motor (#141292 and 169324) draws 1.4A and spins 10,000 rpms at 12VDC. Measures 2-1/2" long x 1-1/2" dia with a 1/8" dia x 3/8" long striated shaft. Has (2) tabs on the back for hook-up and (2) mounting holes on the face.
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37518 10,000 RPM MOTOR |
Nature Abhors A Vacuum
But science teachers can't work without them. Experiment with this good-quality manual vacuum pump made of durable polychloroethylene plastic. Works with a pistol-grip action and pulls up to 2" Hg. Includes a 17" length of clear vinyl, 1/4" ID tubing, and a release valve.
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93305 VACUUM HOME PUMP |
400X STUDENT MICROSCOPE
New, international-standard, full-sized illuminated student microscope. Professional quality at a student price, it has turret-mounted achromatic objectives, fine and coarse rack-and-pinion focus and substage diaphragm light control, and a metal frame. It is built to international DIN standards and accepts all DIN eyepieces and objectives. With extras like focus stop for slide protection, adjustable tilt and (2) spring clips, it is a fine instrument for most home science work. If you are looking for more magnification purchase the spring loaded 60X or 100X (oil immersion) objective lenses. Brings your scopes total magnification up to 600X or 1000X magnification. A great addition.
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38569 100X OBJECTIVE LENS (OIL IMMERSION) | |
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38288 60X OBJECTIVE LENS | |
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52453 MICROSCOPE, 400X |
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Huff-n-Puffer
Cool something off with this flat Nidec squirrel-cage fan, rated at 24VDC 600mA. Measures 4-5/8" square x 1-1/4" thick in a black plastic housing. Intake through a 2-7/8" port on the side, outlet via 2-1/4" x 1-1/8" ID port on the top. Ball-bearing blower can be powered with 20.4 - 27.6 volts at 28CFM. Has (3) mounting holes and comes with 12" leads, including a tach lead. Nidec model # A34886-58PW.
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38615 NIDEC® FAN |
LCD Digital Microscope
The biggest advance since the lens: Our Celestron® compound (biological) microscope comes with a 3.5" LCD viewing screen that replaces the traditional eyepiece, for easy sharing in a lab or classroom. It has a 2-megapixel camera, 128MB internal memory, USB cable for transfer to a PC, SD card slot, video capability, 4X, 10X and 100X objectives for 40X, 100X and 400X optical magnification, and digital zoom up to 1600X. Top and bottom LED illumination with adjustable intensity powered by the included AC adapter with an extra European adapter for those who travel, 6-position color wheel, (5) prepared slides, and (4) imaging styles: normal, B/W, inverted and sepia. Carries a 2-year manufacturer's warranty. Comes in a rigid lined 15" x 7" x 8" OA carrying case with a suitcase-handle and shoulder strap, for storage, field work or classroom visits.
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14473 LCD MICROSCOPE |
Whirrrrrrrrrrrrrrr
This 1/50 HP, 115VAC motor draws 800mA and spins CCW at 3000 rpm. (We're thinking exhaust fan.) The black steel housing measures 3-3/4" x 3-1/4" dia with a 7/16" long threaded shaft (5/32"-32). It has a 26" power cord, and a pair of 2-9/16" long threaded mounting bolts on the face. Made in the USA.
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38863 HIGH RPM MOTOR |
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