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Deluxe Quantitative Stirling Engine
Record Temperature Differences, Revolutions, and pV Diagrams
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Set of 5 Single Slits
Five single slits of different widths in a slide frame.
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Helmholtz Coils Demonstration Series
Generate a uniform magnetic field perpendicular to the axis of the Teltron D series tubes.
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Diaphragm with 4 Double Slits of Different Spacings
Photographic diffraction objects in a slide frame.
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Diaphragm with 3 Double Slits of Different Widths
Photographic diffraction objects in a slide frame.
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Tube Holder S Student Series
Easy and safe way to hold and power your tubes.
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Critical Potential Tube Helium Student Series
Hertz electron tube for quantitative investigations of Inelastic collisions of electrons with inert gas atoms.
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Transparent Steam Engine
Transparent steam engine for demonstrating how an oscillating steam engine operates.
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TeacherGeek Soldering Iron, 30 W
This quality soldering iron will quickly become your favorite.
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United Scientific 3D Magnetic Field Demonstrator
See how a magnetic field looks around a magnet without the mess.
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Millisecond Counter
Inexpensive, compact counter for measuring milliseconds (in conjunction with the free-fall apparatus 470162-756 ). Each count is started and stopped by a signal at the input sockets. The device is automatically reset to zero each time it is restarted. Includes plug-in power supply.
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Set of 15 Safety Experiment Leads
For electrical circuits with low voltages and high currents; copper wire encased in highly flexible PVC; equipped at either end with a laminated safety plug and a fully-insulated axial jack for connecting additional patch cords.