United Scientific Supplies

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US$33.43
These are powerful Alnico bar magnets shipped in pairs with end keepers. Magnets are painted with north and south poles clearly marked. Width 1/2", thickness 1/4".
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US$33.17
The Rectangular Glass Block has two frosted sides. Dimensions: 114mm x 63mm x 19mm.
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US$33.17

This polypropylene, stable, non-corrosive, detachable stand can hold 28 pipettes with maximum diameter of 9/16". The heavy base measures 9" in diameter and a polypropylene coated square rod measuring 15" in length is screwed into the base.

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US$32.82
This Hooke's Law Apparatus quantitatively shows the principles related to Hooke's Law. Includes a 14 metal rod that mounts on a 4-1/2 diameter base. Scale in centimeters and inches can be easily adjusted along the rod. The plated steel weight holder and spring are attached to an adjustable collar with crossbar.
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US$32.73

The WBC Series Bare Copper Wire is for general lab use and low voltage hook ups. Applications: As a fastener. For Electrodes. To connect circuits. As a source of cooper in electrochemistry experiments. 

 

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US$32.03
These are flexible and strong rubber tubing available in 10" and 50".   Order# Description Bore/Thickness  RT4812-10  10'...
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US$31.96
Set includes two helical springs and a length of cotton string. The long narrow spring measures 3/4" x 72" and can be extended to 5 meters. The larger spring measures 3" x 4" and can be extended many times its length without distortion. Includes an actvity guide.
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US$31.80
These test tubes with rim are made of high quality borosilicate glass.
Delivery within 2-3 weeks
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US$31.80
This well constructed and attractive electric bell model is mounted on a clear acrylic plate and a finished wooden stand to allow the functional parts to be clearly seen, and operates on 6V DC with an on/off switch, adjustable contact screw, and binding posts for easy connection.
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US$69.95 US$31.80
These test tubes with rim are made of high quality borosilicate glass.
Delivery within 2-3 weeks
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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.
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US$31.42
The graduation marks are in durable white enamel or amber stain, both are resistant to normal laboratory agents and repeated washing. All the pipettes are individually measured and then marked. Accuracy is ensured between any two readings, because of uniformity of bore.
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US$30.98
Deluxe Burette clamps are die casted from aluminum and feature black rubber sleeves for firm gripping of burettes.  The adjustable clamps hold up to 30mm OD burettes, which are held in place by the pressure created by the springs.  For use with rods up to 19mm diameter.
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US$30.31
Excellent for illustrating Newton's Third Law of Motion and the principle of Conservation of Momentum.  The five polished metal balls with thin bifilar suspensions on a unique support design provide for better results and stability. 
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US$30.14
Each buret is individually calibrated for maximum accuracy. Acrylic body is resistant to dilute mineral acids and bases except Hydrofluoric Acid and Ammonium Hydroxide. It can be used with pHs ranging from 1 to 14 and with up to 5% weight per weight of acids or 30% of bases. Graduations are at 0.1ml.
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