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A Corker

There's a tool for everything. Think post-hole diggers for a model railroad layout. All right, all right. Think cork borers for all those solid corks and rubber stoppers in laboratories, the ones that need holes for glass and rubber tubing. Our each is a set of (3) 3-3/4" long brass tubes with sharpened ends and red-plastic T-handles. Diameters are 9/32", 7/32" and 5/32". They're nested on the 4-3/4" pin used to clear the plug from the tube.

92051 CORK BORER
$4.95 EACH

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Mini Air Compressor

Nifty device that takes maxi air and squeezes it down into a mini condition. The device is roughly 6-1/2"" long x 6" tall x 4" wide. It has a 10 ft. cord that plugs into an auto lighter socket: i.e. it runs on 12VDC @ 10 amps. Air output is via a 12" hose with a variety of valve adapters for tires, soccer balls, rubber rafts, and just dusting off the environment. Complete with a 0-250 psi gauge. Which should be plenty of pressure to explode a weak bike tire or flimsy beach ball, so please be careful!

23271 AIR COMPRESSOR, 12 VDC
$14.95 EACH

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Slide Show

Microscope glassware for examination of blood, pond water, mold, and other minutiae. All of the microscope slides are optically clear glass 26mm x 76mm (about 1" x 3"), between 1mm and 1.2mm thick. The well slides, of course, have a concave well to hold a drop of liquid. Our each is a package of (12) well slides, or a box of (72) standard slides with ground or beveled edges. Cover glasses are the smaller and very thin pieces of glass used as the top of the glass slide sandwich. They are often used temporarily by simply dropping them onto a drop of liquid to flatten and spread it and to minimize evaporation. More confident microscopists will cement them in place to permanently preserve a specimen. Our each is a package of (100) cover glasses 18 mm square, #1 thickness (0.13mm to 0.17mm). If you need one, you need both.

89044 MICROSCOPE COVER GLASS
$1.95 EACH
89445 STANDARD MICROSCOPE SLIDES
$5.50 EACH
52261 WELL SLIDES
$8.95 EACH

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Mercury-Free

Fearful of language barriers, some folks get anxious when they travel internationally. Not this fine red-alcohol glass thermometer. Whether its travels take it to Britannia or Madagascar, Appalachia or Moscow, it's always ready to tell the temperature in the local tongue. Working stateside? No problem: it reads 0° to 234° F, in 2° increments. On a junket across the pond? Again, the Passport Therm shines, reading -18° to 112° C in 1° increments. It's 12" long, 3/16" dia, and travels in a nothing-special-but-still-handy plastic case.

91053 PASSPORT THERM
$4.95 EACH

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Shrink Tight

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.

15500 HEAT SHRINK TUBING
$2.00 PKG(20)

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Treat With Heat

Start with one naked wire or a number of them, and a piece of our clever tubing, and end up with nice, tightly covered wire. For the specific diameters below, our each is a package of (10) 12" pieces of heat-shrink tubing. For an assortment of sizes, our each is a dozen pieces of 4" long tubing. You'll get (4) pieces each in 1/8", 1/4" and 1/2" diameters. All sizes are black. All will shrink to trim diameters half their current size when heated to 125°C/257°F. If only it worked on waistlines.

92441 1/2" SHRINK TUBE
$2.50 EACH
92440 1/4" SHRINK TUBE
$1.95 EACH
92439 1/8" SHRINK TUBE
$1.95 EACH
93365 1/8"-1/2" ASST. SHRINK TUBE
$1.95 EACH

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The Graduates

"Plastic..." A quad of blue transparent measuring cups. Identical in shape, but with varying capacities, we hope they will go out into the world and benefit society, your lab or your home, each in their own way. The 250 ml and 125 ml cups are graduated in 25 ml increments; the 50 ml, in 10 ml; and the 25 ml, in 5 ml increments. Ranging roughly from 1-1/2" dia x 1-1/2" tall to 3" dia x 3" tall, all have pour spouts, handles with peg holes and nest inside one another; Sets of (4), you'll receive (2) sets. Handsome and utilitarian, they are ready to take stock in themselves, working for and within your community!

23923 BLUE MEASURING CUPS
$1.25 PKG(2)

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Brushex?

Here’s a fine pair of nylon bristle brushes, just perfect for cleaning test tubes, aquarium filter tubes or your favorite long-necked soda bottle. The smaller brush is 8-1/2” long with a 1/2" dia. while the larger is 10-1/2” overall with a 1-3/8” dia. The bristle area for both is approx. 3-1/2” long.

88221 LG TEST TUBE BRUSH
$1.75 EACH

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Heat Shrink Sampler

A variety of heat shrink tubing pieces. You get (10) pieces, each (1) foot long for a small price. Size Small means each piece will be at least 1/16” but not over 1/4” OD before shrinking, and about one half that after shrinking. Each may be red, black white, yellow or who knows what color. Snip them into smaller bits. Use them end to end for longer pieces. You can’t go wrong with this deal!!

22776 HEAT SHRINK TUBE, SM
$2.00 (10FT)
 

Squeeze 'n' Squirt

Inside the lab, it's a standard translucent-white, LDPE-plastic wash bottle, 500ml/16oz, measuring 2-3/4" dia x 6-3/4 tall with a screwcap and a right-angle, 5/16" dia nozzle. Outside the lab, it's so pleasing to squeeze and squirt with that some of us keep them in the kitchen.

92961 WASH BOTTLE
$3.75 EACH

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Probe Something Hot

With a good-quality digital probe thermometer from Sper Scientific. Measures -50° to 200°C and -58° to 392°F in 0.1 degree increments. The red-plastic case measures 3-3/8" x 1" x 9/16" with a 3-1/2" long pointed metal probe. The LCD readout is 1-1/4" x 1/2" and the unit comes with a replaceable button cell battery and a click-on probe cover. Has min/max, temperature hold, and last-reading functions, and the probe (but not the LCD) is submersible.

93000 PROBE THERMOMETER
$19.95 EACH

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