The first extensive telegraph network was the visual telegraph. In 1791 the Frenchman Claude Chappe used a visual network (which consisted of a telescope, a clock, a codebook, and black and white panels) to send a message ten miles.
Page Content. The School Performance Profile provides the public with a comprehensive overview of student academic performance in every Pennsylvania public school building, including traditional public schools, charter schools, cyber charter schools and career and technology centers.
SCRC Article Library: Performance Measurements and Metrics: An Analysis of Supplier Evaluation. Performance Measurements and Metrics: An Analysis of Supplier Evaluation. Performance Measurements and Metrics. Based on the more current partnership approach, several techniques are used by companies to evaluate suppliers and measure performance.