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Insect Inspection
WARNING: CHOKING HAZARD-Small Parts. Not for children under 3 yrs.
When you peer through your magnifying glass at this specimen, or focus your microscope on it, even at the lower magnifications which work best, you're looking at one big bug. Make that (4) big bugs. The insects are real, encased in clear acrylic blocks 1-3/4" x 1-1/4" x up to 11/16" thick, and ready for inspection. Set 1 includes a scorpion, giant ant, wasp and a flower bug. Set 2 is a cricket, locust, yellow leaf beetle, and crab. No, not a crab louse or a crab spider, but definitely a crab ugly….
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92415 INSECTS SET 2 | |
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92224 INSECTS, SET 1 |
We Have So Many Fans
And even more fan blades. Choose a white-plastic 5-blade or a black-plastic 4-blade, each approx 4" across with a 3/16" bore. Designed for clockwise rotation. No motor. Just blades. (But nice little blades.)
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36416 BLACK FAN BLADE | |
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36415 WHITE FAN BLADE |
Go, Suisse!
Let the rest of the world outfit its armies with rockets and tanks. We prefer Switzerland, with its Swiss Army Knife and, now, its Swiss Army Horseshoe Nails. Our each is a box of (100) shiny, flat, steel nails with square beveled heads, each head imprinted with a tiny cross. These #6 nails are 2-1/8" long. Even the box is a retro find. Such sticklers for details, these pacifistic Swiss.
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36995 #6 HORSESHOE NAILS |
Peculiar Injection Vials
We've never seen anything quite like these little clear glass vials, which means they must have myriad uses, particularly at this price. The large one is 1-3/4" tall x 15/16" dia with a shoulder and a 1/2" ID lipped mouth on the top, leading into a 1" deep conical cavity. The bottom has a 5/8" mouth, with an internal lip, and opens into a cavity around the little conical reservoir. So you can fill either end. Which would hold maybe a couple of ccs one way, or 1/4 oz the other way. The little one is the same, but is 1-9/16" tall x 5/8" dia and a 1/4" ID mouth on top, 7/16" on the bottom. We're thinking obscure lab experiments, or chimneys for streetlamps in model railroads. Or something.
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37111 LG. INJECTION VIAL | |
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37110 SM. INJECTION VIAL |
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Our Flask Inventory Boileth Over
So we're pricing these borosilicate boiling flasks to move quickly. We've got (3) sizes, all with slightly flattened bottoms, each with a single, discreet, capacity mark in white. While the actual physical size can vary slightly, the volume remains the same. The 1000ml flask is 9-5/8" tall OA x 5-5/8" dia with a 1-5/16" ID mouth, and a lip. Takes a #7 rubber stopper. The 500ml flask is 6-7/8" tall OA x 4-1/8" dia with a 1-3/16" ID mouth, and a lip. Takes a #6-1/2 rubber stopper, but a #7 will work. The 250ml flask is 6-1/8" tall OA x 3-3/8" dia with a 1-1/32" ID mouth, and a lip. Takes a #5-1/2 rubber stopper, but a #6 will do the job.
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92914 1000 ML FLASK | |
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92912 250 ML FLASK | |
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92913 500 ML FLASK |
Masks, Gas, Russian
Assembled in the U.S. from Russian parts, anyway. What we have here is a gas mask for children, although frankly, the smallest of them are really more Yorkshire-terrier sized. New, but surplus, and while they're rated NBC for nuclear/biological/chemical contaminants, they carry absolutely no guarantees. These are to be used as part of a collection, or for costume/novelty purposes. These adult masks come with an integrated, screw-on filter canister, carrying pouch, and (6) plastic eye-lens covers. The medium ones are for adults with a facial circumference (measure around the crown of the head and under the chin) between 25” and 25-3/4”.
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37223 ADULT GAS MASK, MEDIUM |
Why Resist?
When you could just order this 480-pack of 1/4 watt, 5%-tolerance resistors. You'll get (30) pieces each of 10, 22, 47, 100, 220, 470, 1K, 2.2K, 4.7K, 10K, 22K, 47K, 100K, 220K, 470K, and 1M OHM.
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93191 480 RESISTORS |
Tough Gear Motor
Small but durable. Measures 2-7/16" long x 1-5/16" dia. and has a 3/16" x 3/8" long flattened offset shaft. Runs between 6-12 VDC. At 12 VDC, it spins 7 rpm and draws 90mA with a 500mA stall current. Gearbox ratio is approx 400:1. Has (3) 3/32" mounting holes on the shaft face. Reversible.
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37739 12VDC GEAR MOTOR |
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Tough Gear Motor
Small but durable. Measures 2-7/16" long x 1-5/16" dia. and has a 3/16" x 3/8" long flattened offset shaft. Runs between 6-12 VDC. At 12 VDC, it spins 7 rpm and draws 90mA with a 500mA stall current. Gearbox ratio is approx 400:1. Has (3) 3/32" mounting holes on the shaft face. Reversible.
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37739 12VDC GEAR MOTOR |
Wanna Toggle?
The correct answer is "I don't know; I've never toggled." If, however, you just want to turn something on and off, here's a choice of toggles for your switching delectation. The DPDT toggle is rated for up to 20A at 125VAC and has screw terminals below. Measures 1-1/4" x 1-3/4". No center-off position. The first DPST toggle is rated for 20A at 125VAC or 15A at 250VAC. Screw terminals on the bottom. Measures 1-5/16" x 3/4". The smaller DPST toggle is rated for up to 4A at 125VAC or 2A at 250VAC. Has 3/16" spade terminals on the bottom and measures 1" X 9/16". All the toggles come with switch-plates and mounting nuts.
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38715 DPDT TOGGLE 20A (A) | |
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38716 DPST TOGGLE 20A (B) | |
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38717 DPST TOGGLE 4A (C) |
Wing of Locust, Hair of Dog...
WARNING: CHOKING HAZARD-Small Parts. Not for children under 3 yrs.
A recipe from the Elizabethan Cable Food Network? No, just a couple of samples from our collection of (48) specimens preserved for your classroom examination, with (4) well-labeled specimens on each of (12) standard-size slides. You get animal, plant, insect, textile, and pollen and spore specimens, including camel hair, camellia leaf, plant louse, fruit fly, fern spore, bee wing, nylon, wool, lily pollen, bamboo shoot, goldfish scale, and three dozen more, including our homonymic favorite, hare hair. Grades three and up.
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93602 SLIDE SET |
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