Important Inventors and Inventions
By: Bailey Rogers
The Bessemer Process
The typewriter was invented by Christopher Sholes in 1873. There had been attempts at creating typewriter before, but Sholes invented the first that was commercially successful. Sholes sold his invention to Remington and Sons for around $12,000.00. It goes without saying that the invention went on to make millions of dollars.
Telegraph, Electricity, Phonograph, Electric light bulb
AC vs DC electrical current
Air-brake system for the railroad. His system allowed for all railroad cars to brake simultaneously. Before this, each car’s breaks had to be applied individually. This invention made trains much safer and as a result much more efficient. AC current is the type that is delivered to homes and businesses. Direct Current (DC) is what comes from batteries.