Scientific and educational laboratory apparatuses and instruments and equipment being used for teaching-- optics, electrostatics, wave theory, mechanics, thermodynamics, sound, electricity and magnetism, nuclear and atomic physics, and X-ray technology; namely, lasers not for medical use, probes, namely, pressure probes, temperature probes, voltage probes and electric current probes; sensors, namely, rotary motion sensors, linear motion sensors, strain gauge force sensors, acceleration sensors, pressure sensors, light sensors, magnetic field sensors, infra red sensors, temperature sensors, sound intensity sensors, sound speed sensors, voltage sensors, electric current sensors, electrostatic charge sensors, beta radiation sensors, general purpose nuclear sensors, pH sensors, color imagery sensors, heart rate sensors not for medical use, EKG sensors not for medical use, respiration rate sensors not for medical purposes, barometric sensors, relative humidity sensors, conductivity sensors, carbon dioxide sensors, oxygen gas sensors, dissolved gas sensors; altimeters, motion visualizer systems, comprised of 3D processor, computer software for viewing motion in graph form, cables, power sources, and camera alignment tool; colorimeters, optical mirrors, and microscopes