Freebase(0.00 / 0 votes)Rate this definition: Campestre is a municipality located in the south of the Brazilian state of Minas Gerais. Its population is 24,481 and its area is 54 kmÂ².
Also, there was Philo Farnsworth, a west-coast inventor whose first demonstration of television was in 1927. Like Baird's system, it was electro-mechanical, but by 1929 he had eliminated the moving parts of his system to create the world's first fully electronic system.
Quick Answer. According to the Grolier Encyclopedia, the electronic television was successfully displayed for the first time on Sept. 7, 1927 in San Francisco. This predecessor of the modern television was invented by Philo Taylor Farnsworth, a 21-year-old Utah native. Continue Reading.