An electronic simulation model was designed, constructed, and then field tested to determine student opinion of its effectiveness as an instructional aid. The model was designated as the Equilibrium System Simulator (ESS). The model was built on the principle of electrical symmetry applied to the Wheatstone bridge and was constructed from readily…

For a developing nation such as Zambia, quality education, utilization of manpower, and proper training are priority problems. Therefore a study was conducted to establish and document the need for a well-planned, staffed and executed learning resource center to solve some of that country's learning problems. Basic facts about the country of…