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Aluminum Alloy Tuning Forks - Frequency 128, Note C
Aluminum Alloy Tuning Forks - Frequency 128, Note C
Price: $5.75
Made of 3/8" x 1" bar stock with smooth, aluminum turned handle approximately 1-3/4" long. This nonmagnetic tuning fork requires no plating and will not rust or corrode. The scale letter and frequency is stamped on the fork. Accurately t..
Product Number: SB14261M
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Happy/Sad Ball Kit
Happy/Sad Ball Kit
Price: $6.50
Two rubber balls that look, feel, and squeeze the same - but try bouncing them! These intriguing inelastic and elastic collision balls are popularly called “happy and sad.” One ball rebounds normally while the other is as bounceless as a..
Product Number: SB33947M
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Energy Ball
Energy Ball
Price: $6.30
Fascinating and fun! By touching two metal strips simultaneously, your body becomes a path to a complete circuit. The result? The ball flashes brightly and makes an eerie sound. The Energy Ball even works with several people creating the path.
Product Number: SB28883M
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Pulse Glass
Pulse Glass
Price: $8.30
Designed for demonstrating that vapor pressure increases when temperature increases. Apparatus consists of two glass bulbs which are connected with a glass tube and contain a colored, volatile liquid. Holding one of the bulbs in your hand causes the eva..
Product Number: SA09087M
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Unmounted Optical Lenses - Double Convex 3.75 cm Diameter, 5 cm Focal Length
Unmounted Optical Lenses - Double Convex 3.75 cm Diameter, 5 cm Focal Length
Price: $1.35
An excellent unmounted lens for use with optical benches and other studies in optics. Made of high-quality optical glass, and has ground edges.
Product Number: SB10476M
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Magnetic Chalkboard Ray Box Kit with Power Supply
Magnetic Chalkboard Ray Box Kit with Power Supply
Price: $125.95
This versatile, comprehensive ray box kit allows teachers to demonstrate geometric optics principles to the whole class. The ray box and all optical accessories can be firmly held to a metal chalkboard. The kit comes with a plastic box with a 12V haloge..
Product Number: SB47683M
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Flashlight Set
Flashlight Set
Price: $3.50
Set of two 6" long flashlights to fit in pocket, briefcase, purse, etc. Complete with wrist band. Requires two “AA” batteries (not included) for each flashlight.
Product Number: SB31462M
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Marble Launcher
Marble Launcher
Price: $72.75
Grades 8-12.
A fun way to learn about velocity and acceleration. Launch marbles at five different speeds. Safety guide printed directly on the hardwood marble launcher’s surface. Protractor is built into the launcher. Includes two ..
Product Number: SB48995M
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Demonstration Balance
Demonstration Balance
Price: $27.50
An inexpensive apparatus that demonstrates the principle of motion. A lever knife-edge clamp is mounted in a heavy balance support. A meterstick (not included) is easily attached on the knife-edge clamp.
Product Number: SB13911M
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Dioxide Glass Puzzle
Dioxide Glass Puzzle
NEW
Price: $17.50
Grades 5-12.
The puzzle consists of a mounted cylindrical acrylic lens and a laminated card with the words “DIOXIDE GLASS.” When students look through the lens at the card, one word will appear to be flipped upside down while..
Product Number: SB49814M
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