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Palmer, S. B.; Forster, G. A. – Amer J Phys, 1970
Describes and apparatus designed to generate and detect pulsed ultrasonics in solids and liquids over the frequency range 1-20 MHz. Experiments are suggested for velocity of sound, elastic constant and ultrasonic attenuation measurements on various materials over a wide temperature range. The equipment should be useful for demonstration purposes.…
Descriptors: College Science, Electronics, Equipment Utilization, Instrumentation

Taylor, K. N. R.; And Others – Physics Education, 1974
Descriptors: College Science, Electronic Equipment, Equipment, Equipment Utilization

Bergsten, Ronald – American Journal of Physics, 1974
Discusses the production and structure of a sequence of optical crystals which can serve as one-, two-, and three-dimensional diffraction plates to illustrate diffraction patterns by using light rather than x-rays or particles. Applications to qualitative presentations of Laue theory at the secondary and college levels are recommended. (CC)
Descriptors: College Science, Demonstrations (Educational), Equipment Utilization, Instrumentation

Murray, William Henry – American Journal of Physics, 1974
Discusses the construction of a diffractometer table and four microwave models which are built of styrofoam balls with implanted metallic reflecting spheres and designed to simulate the structures of carbon (graphite structure), sodium chloride, tin oxide, and palladium oxide. Included are samples of Bragg patterns and computer-analysis results.…
Descriptors: College Science, Computer Assisted Instruction, Equipment Utilization, Instrumentation