Scientific and educational laboratory apparatuses, simulators and equipment, computer software, hardware and accessories, namely measuring equipment, instruments, devices, and tools used for teaching and research in the fields of mechanics, acoustics and wave theory, electricity and magnetism, thermodynamics, optics, atomic physics, and computer-based data acquisition systems, namely, testing and demonstration equipment for the physical science of mechanics, namely, torsion apparatuses for measuring static and dynamic torsion on a wire, force tables, apparatuses for measuring friction, levers to demonstrate the laws of levers and equilibrium states, air tracks, air cushion tables, projectile launchers, ballistic pendulums, chaotic pendulums, Foucault pendulums, Maxwell's wheel, gyroscopes, Pascal's vane, air flow equipment, vacuum pumps; acoustics and wave theory testing and demonstration equipment, namely, tuning forks, weighted tuning forks, resonance boxes, sound meters, Kundt's tubes, wave channels, ripple tanks, vibration generators, ultrasonic generators not for medical use, test vessel for Debye-Sears effect; electricity and magnetism testing and demonstration equipment, namely, power supplies, function generators, oscilloscopes, multimeters, measurement amplifiers, resistance decades and bridges, rheostats, Van de Graff generators, Wimshurst machines, electroscopes; testing and demonstration equipment for experimenting with electrostatic charge, plate capacitors, capacitance decades, magnetic field probes, field mill electric field meters, Helmholtz coils, Lorentz motors, electric motors and generators, transformers, fuel cells; thermodynamics testing and demonstration equipment, namely, thermometers, calorimeters, thermal expansion apparatuses, thermopiles, radiometers, a critical point apparatus, steam engines, Stirling engines; testing and demonstration equipment in the field of optics, namely, lenses for magnetic boards, ray boxes, optical benches, functional eye models, lenses, mirrors, prisms, filters, spectrometers, LED speed of light experiments, CCD linear cameras, digital spectrometers, spectrum tubes, and lasers not for medical use; atomic physics testing and demonstration equipment, namely, Frank-Hertz experiments with neon or mercury, a full line of vacuum cold-cathode electron tubes for demonstration and experiments, equipment set for electron spin resonance and nuclear magnetic resonance, nuclear lab stations, nuclear samples; computer based data acquisition systems, namely, a USB computer interface with digital and analog inputs for connecting to probes and sensors, pressure probes, temperature probes, barometric sensors, pressure sensors, voltage sensors, current sensors, rotary motion sensors, magnetic field sensors, EKG sensors not for medical use, ultrasonic motion sensors, force sensors, acceleration sensors, light sensors, nuclear sensors, UVA and UVB sensors, sound level sensors, temperature sensors, pH sensors, heart rate sensors not for medical use, humidity sensors, and gas sensors, all to aid in conducting experiments, training and education in the fields of medicine, biology, physics and science

Anatomical, biological and scientific models for scientific, instructional and educational purposes; charts and color transparencies to aid in conducting experiments, training and education in medicine, biology, physics and science

Mail order catalog and online catalog services featuring goods for conducting experiments, training and education, in the fields of medicine, biology, physics and science and featuring goods for the medical treatment and evaluation of patients, goods for the therapeutic and rehabilitative treatment of patients and goods for training and education in the field of teaching life-saving, search and rescue techniques for individuals in medical emergencies; and t-shirts, sweatshirts, neckties, and other gift items with anatomical, biological, medical and scientific themes; and providing consultation services and technical assistance in connection with the purchase and use of said goods