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.
How to Create a Trip Overview: The trip overview screen is the first window that appears when creating a new authorization/order. It is the first step in creating the authorization document. â¢ Select a * Starting Point by selecting the location from the Starting Locations in Profile: or enter the * Starting Point.