Analytical geometry -- Animal generation -- Atomic theory -- Barometer -- Binomial theorem -- Blood circulation -- Botanical classification -- Boyle's Law -- Calculating machines -- Calculus -- Cells -- Chemistry -- Combustion -- Electricity -- Embryology -- Entomology -- Fermat's last theorem -- Fossils -- Gases -- Geology -- Gravitation -- Halley's Comet -- Heliocentrism -- Hooke's Law -- Human physiology -- Hydrologic cycle -- Hydromechanics -- Hygrometers and hygroscopes -- Jupiter -- Kepler's Theory of Planetary Motion -- Law of Falling Bodies -- Laws of motion -- Light spectrum -- Light speed -- Light waves -- Logarithms -- Lymphatic system -- Magnetic declination -- Magnetism -- Mars -- Meteorology -- Micrometer -- Microscope -- The moon -- Nebula -- Ocean tides -- Optics -- Pendulum clock -- Phosphorus -- Plant morphology -- Probability -- Saturn -- Scientific reasoning -- Slide rule -- Sound -- Star atlases -- Steam engine -- Telescope -- Refracting telescopes -- Long telescopes -- Reflecting telescopes -- Thermometer -- Vacuum pump.