
To meet all of your little plastic test tube needs. They're 13mm x 100mm plastic test tubes (approx 1/2" dia x 3-15/16" long) and will hold 7ml and take #2 or #3 corks, (#2 is a better fit) which aren't included. The bulk price also means you can make endless little vases for keeping flowers fresh in corsages, construct futuristic light fixtures, transparent sculptures, strange centerpieces, whatever. Use your imagination.
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93479 SMALL TEST TUBES |
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.
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92051 CORK BORER |
Suitable for most microscopes, this spring-loaded 100X oil immersion objective is made in Russia by LOMO. Standard DIN, 1.25 N.A. flatfield achromatic, 35mm parfocal distance. Designed for a 160mm tube length, it will also work with others. Comes with a carrying tube. Excellent quality.
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37209 100X OBJECTIVE |
Or funnelette? Whatever. It's a polypropylene mini-funnel, for putting a little something through little openings. Measures 2-1/4" long OA, with a 35mm dia mouth and a fluted, 4mm ID neck.
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93225 35MM FUNNEL |
Our anatomically correct T-shirt is black with full-color illustrations of your essential internal organs from throat to small intestine, displayed in both ventral and dorsal views, which is front and back for you anatomical civilians. In heavy, 100% cotton. Perfect for biology and anatomy students and teachers, and for people who need to explain their operations. We recommend wearing it backwards to see if anyone notices.
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94152 ANATOMICAL TEE, MEDIUM | |
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94153 ANATOMICAL TEE, XL |
A great value if you're looking for a 200ml Liebig condenser with drip tip. 14" long x approx 1" dia. center section. 8" long condensing chamber. 4mm inside dia bottom and 22mm inside dia top. 3mm inside dia nipples on the side. Made of heat-resistant glass. A must for every lab.
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91697 LIEBIG CONDENSER, 14" |
This photo tube adapter with a 2.4X relay lens is made for a Lomo" (Lomographische AG) HT-30 trinoc microscope. Cost $95 before we got it, but we're offering it at a low, low price because you might have some non-trinoc photo use for it. Comes equipped with a T-mount and a "T-mount to Pentax mount" adapter. Measures 4" long x 1-3/4" dia in a black aluminum tube with a 3/8"-24 internal thread and a 1/8"-30 thread near the lenses, which are accessible with a spanner wrench. Made in Russia.
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12427 MICRO-PHOTO LENS |
Clamps. Whatever. These measure approx 5" long x 2"' at their widest. They open to about 3", though, so they'll not only grab test tubes, they'll pluck cubes from an ice bucket. Or carry a few stems of asparagus. And you do get a pair, so you could always have a tong war.
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90327 TEST TUBE TONGS |
This handheld pH meter from Hanna Instruments measures 0-14 pH to 0.01 resolution, accurate to +/- 0.2. Calibration screw for 7.01, and another for 4.01 or 10.01 pH. The unit is 6-3/4" X 2" X 15/16" OA, with a 4-digit 1-1/8" X 1/2" LCD readout, and a replaceable 4-1/8" long x 9mm dia probe that screws into the case. Comes with a tip cover for the probe and (2) button-cell batteries. Don't forget to order the 20mL foil packs of pH 4.01, 7.01 or 10.01 Buffer Solution, with a chart listing the specific pH of the solution at various temperatures. Made for laboratory or industrial use only, it has a tolerance of +/-0.01 pH at 77°F. Also from Hanna Instruments.
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93947 BUFFER SOLUTION PH 10.01 | |
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93946 BUFFER SOLUTION PH 4.01 | |
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93009 BUFFER SOLUTION PH 7.01 | |
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92999 PH METER |
On a slightly convex aluminum plate, with small mounting holes top and bottom. Our glass alcohol thermometer measures between -30° and 230°F in 2° increments and between -30° and 110°C in 1° increments. The unit measures 6-1/2" x 1-1/16" with a 4-3/4" long element. Made for the laboratory, but nicely readable and able to hang on your wall without looking like part of a weather station.
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93226 METAL THERMOMETER |
The performance of this Brightfield condenser's main aspherical lens and the swing-out lens makes your microscope extremely effective with both low- and high-power objectives. Also features an iris diaphragm. N.A. 0.90 microscope.
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79121 BRIGHTFIELD APLANATIC SWING-OUT CONDENSER |
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