United Scientific Supplies

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US$9.21

These Hydrometers are used for determining the specific gravity of liquids.

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US$1.27
Knife switches for low voltage experiments (less than 36V) with plastic bases. 
Delivery within 2-3 weeks
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US$2.73
Knife switches for low voltage experiments (less than 36V) with plastic bases. 
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US$78.79
Made from Polymethylpentene, these crystal clear, autoclavable cylinders feature excellent chemical resistance. Permanent graduations are molded in. Pentagon bases provide added stability. Chemically non-absorbent and cleaner than glass. No wetting. No meniscus. Manufactured per ISO standard 6706-1984(E).
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US$45.28

Our coats feature one upper left breast pocket, two roomy lower pockets; side slit openings, and an adjustable belt. Knee-length lab coats made of easy care white cotton blend fabric (65% polyester, 35% cotton). A good value with comfort and style.

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US$4.69
Made from plate glass, with carefully ground and polished optical surfaces, and cleanly ground edges.
Delivery within 2-3 weeks
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US$7.69
Made from plate glass, with carefully ground and polished optical surfaces, and cleanly ground edges.
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US$5.89
Made from plate glass, with carefully ground and polished optical surfaces, and cleanly ground edges.
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US$6.55
The lodestone is a natural rock that contains traces of iron ore with natural magnetic properties. This magnetic lodestone was made into a magnet by the earth's magnetic field. 
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US$3.63
LPB100 Litmus Paper Blue, 100 Strips
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US$3.63
LPN100 Litmus Paper Neutral, 100 Strips
Delivery within 2-3 weeks
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US$3.63
LPR100 Litmus Paper Red, 100 Strips
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US$25.20

Kit contains one each of following: test tube brush, spatula, crucible tongs, test tube clamp, lab scoop, forceps.

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US$31.77
These demonstration lens sets contain 6 different types of acrylic lenses. Comes in are-usable cardboard storage box. Types of lenses: Double convex lens. Plano-convex lens. Concavo-convex lens. Double concave lens. Plano-concave lens. Convexo-concave lens.
Delivery within 2-3 weeks
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US$167.36
This economical Stirling Engine runs by exploiting the heat flow generated by the small temperature difference between room temperature and a cup of hot water or ice. It is a classic illustration of converting heat energy into mechanical work using a thermodynamic cycle. The engine runs at about 150rpm when used with cup of hot water. Additional information available upon request. Includes activity guide.
Delivery within 2-3 weeks
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US$19.01
Our meters are mounted in black plastic cases.  Meters have a scale length of 75mm, offer +/- 2.5% accuracy and come with 5-way binding post and external calibrating screw.  Meters are not protected against prolonged or significant overload.  Stackable for storage.
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