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.
Updated: 2008-08-21. Performance management is a quickly maturing business discipline. Like its better known siblingsâsales and marketing, human resources, supply chain management, and accounting and financeâperformance management has a key role to play in improving the overall value of an organization.