Robert Boyle's experiments in pneumatics
The overthrow of the Phlogiston Theory: The chemical revolution of 1775-1789
The early development of the concepts of temperature and heat: The rise and decline of the caloric theory
The atomic-molecular theory
Plants and the atmosphere
Pasteur's study of fermentation
Pasteur's and Tyndalls's Study of spontaneous generation
The development of the concept of electric charge: Electricity from the Greeks to Coulomb.