FIA Past Paper Assistant 2018, FIA, General Knowledge MCQsWhat Galileo invented?A. Barometer B. Pendulum clock C. Microscope D. Thermometer This statesman, politican, scholar, inventor, and one of early presidents of USA invented the swivel chair, the spherical sundial, the moldboard plow, and the cipher wheel?What is the name of the CalTech seismologist who invented the scale used to measure the magnitude of earthquakes?
