These lecture notes written by James Dinwiddie in 1787 (?) discuss the study of pneumatics. He notes its connection with air and the atmosphere. Dinwiddie records several experiments involving barometers, fountains, and pumps.
These notes written by James Dinwiddie ca. 1793 are entitled "Rules of Philosophy". They focus on natural philosophical topics including matter, motion, gravity, simple machines, projectiles, pneumatics, and pendula.
