NEW

printed goods in the nature of books, handbooks, catalogs, reference books, instructional and teaching material, brochures, and flyers all dealing with scientific and laboratory instruments that control, measure and sense variable parameters; handbooks containing written data relevant to the measuring and monitoring of conditions affecting the environment or listings of products for such measuring and monitoring or both; printed posters containing technical informational charts relating to scientific and laboratory instruments; hardbound books containing technical reference subject matter for scientific use and relating to scientific and laboratory instruments; and printed catalogs featuring scientific and laboratory instruments that control, measure, and sense variable parameters

mail order catalog services, telephone order catalog services, and computerized on-line order services, featuring temperature and humidity measurement and control components, books, computers, heaters, pressure strain and force transducers, gauges, switches, flow and level measurement systems, pumps, mixers, tubing, valves, pH and conductivity instrumentation, and data acquisition systems