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In 1909 he was awarded the Nobel Prize for Physics. 43 Telegraph T he telegraph is a machine that transmits signals over long distances. These signals represent written messages, numbers, and coded letters. These days, however, telegraphy is being replaced by the quicker and more reliable method of fax and e-mail. In 1835 American inventor, Samuel Morse, invented the telegraph. • Samuel Soemmering sent the first telegraph message in Bavaria, Germany, in 1809. • In 1828 American Harrison Dyar sent electrical sparks that burned dots and dashes on chemically treated paper.
5 mph. S. patent for an automobile. • The first gasoline pump was installed in Fort Wayne, Indiana, on September 5, 1885. • Henry Ford built his first automobile in Michigan in 1886. • The first motor vehicle accident happened in 1771 when Nicolas Cugnot drove his vehicle into a stone wall. • Robert Anderson of Scotland invented the first electric vehicle between 1832 and 1839. • In 1873 the first safe and practical oil engine was developed by American engineer, George Brayton. 41 Airplanes A irplanes are machines that can fly in the air.
In 1867 Nicholaus August Otto developed an improved internal combustion engine. • In 1885 Gottlieb Daimler constructed the first prototype of the modern gasoline engine. on January 29, 1886. 39 External Combustion Engine A n external combustion engine is an engine that produces heat energy externally by the combustion of fuels. The heat is then used to derive mechanical power. The heat produced by the external combustion engine heats a working fluid, such as water. Steam engines and Stirling cycle engines are examples of external combustion engines.