http://www.articleheaven.net en-us editorial@articlealley.com Oscilloscopes are a modern tool used to measure the voltage, the amplitude, and the frequency of a variable electric charge. It produces what is called a 'waveform,' which is typically voltage over time, a graph that looks like a wave. Before the advent o... http://www.articleheaven.net/the-history-of-oscilloscopes-1449518.html 16th March 2010