TRYTECH
EDUCATIONAL AND INSTRUCTIONAL APPARATUS, NAMELY, SCIENCE KITS FOR CHILDREN FOR USE IN THE FIELDS OF MATHEMATICS, MECHANICS, NAMELY, FORCE AND AERODYNAMICS, PHYSICS, NAMELY, MAGNETISM AND ELECTRICITY, PHYSICAL SCIENCE, EARTH SCIENCE, NAMELY, WEATHER, SOIL, COMPOSITION OF THE EARTH AND MINERALS, THE STUDY OF TEMPERATURE, HYDRAULICS AND PNEUMATICS; SOLAR DRIVES, ELECTRIC BOATS, SOLAR BOATS, ELECTRIC CARS; VEHICLE AND TRANSPORTATION MATERIALS LEARNING KITS FOR CHILDREN; CD-ROMS FOR CHILDREN IN TH...
Abandoned · October 27, 1999 · 75833123 ·