CENCO Educational Catalog.

Scientific equipment and materials for use in teaching physics, chemistry, biology, general science, earth and space science, and mathematics are cataloged. Items listed under these major headings are divided into specific instructional topics or into classes of materials for easier reference. Instruments and materials for teaching reading, visual aids for the natural and social sciences, and general classroom equipment are also included. Each item is pictured and described. Prices, ordering information, and an index are provided. (JK)