United Scientific Supplies

US$36.13
Each unit consists of a wooden resonator box, tuning fork and tuning fork mallet. The Resonator Box is 18cm x 9cm x 5cm.
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US$2.91
This is a Rubber Tuning Fork Hammer with a hard rubber head on a varnished hardwood handle.
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US$9.21

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

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US$13.58
This is a new model which has a much larger capacity (100ml) than the traditional aluminum model (22ml) for greater accuracy and easier operation. Also, both the cylinder and the cup have marked divisions which allow the students to repeat the experiment with different volumes.
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US$10.19
These borosilicate bottles have a ground stopper joint for a precision fit. Available in 10ml or 25 ml sizes.
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US$11.65
Set includes 1 each of 1, 5, 10, 50, 100, and 500 mg weights, and 2 each of 2, 20, and 200 mg weights. Also includes rectangular plastic box with rider and forceps.
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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$36.05
This Eddy Current Demonstrator consists of a 12" long copper tube and two apparently identical metal slugs with rubber end caps. One slug is plain steel and falls through the copper tube quickly. The other slug is a strong neodymium magnet that falls very slowly through the tube due to the breaking effect of eddy currents.
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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$5.96
This is a set of six colorful Ceramic Disc Magnets in six primary colors. Each magnet is 25mm in diameter.
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US$15.46

These Alnico U Shaped Magnets are painted red and supplied with a keeper.

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US$4.23
These strong steel horseshoe magnets are marked with North and south poles and supplied with keeper.
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US$9.46

This Floating Magnet Set contains 6 brightly colored magnetic rings, and the plastic stand, in a cardboard storage box. We have designed a special stand to replace the pencil, for hands-free demonstration. Magnets are in plastic cases, to reduce breakage.

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US$14.70
This consists of red and blue Plastic Covered Magnets. These magnets are attractive as well as an easy way to teach magnetic attraction and repulsion. Each magnet's dimensions are 80 x 22 x 10mm.
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US$51.82
An exceptional value! Comes in a reusable storage box. Contents:1 Steel horseshoe magnet, 2 Ceramic bar magnets,3 Ceramic donut magnets, 4 Metal squares (iron, copper, aluminum and zinc), 1 Iron filings pack, 1 Lodestone, 2 Magnetic compasses, 1 Activity Guide containing 17 experiments.
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US$36.88
Students can build a bar-shaped and a U-shaped electromagnet which they power with a 6V battery (not included) or DC power supply (not included), to determine the magnitude and polarity of electromagnetic forces.
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