David Rittenhouse Quotes

"But Dr. Smith says, and I believe it to be a true state of the case, that he himself gave a course of Lectures in Natural Philosophy, during the same winter, and that the money raised by them was also applied towards paying for the Orrery."
- David Rittenhouse
(Related: Money, Philosophy, State, Winter)

"In order to know the true situation of a Planet at any particular time, the small set of balls are to be put each on its respective axis; then the winch to be turned round until each index points to the given time."
- David Rittenhouse
(Related: Time, Order)