TY  - BOOK
AU  - Newton,Isaac
AU  - Motte,Andrew
TI  - Mathematical principles of natural philosophy and his systems of the world
U1  - 531 
PY  - 1952///
CY  - Franklin Center, Pa.
PB  - Franklin Library
KW  - Mechanics
KW  - Early works to 1800
KW  - Celestial mechanics
KW  - Optics
KW  - Refraction, Double
N1  - The translations rev. & supplied with an historical and explanatory appendix by Florian Cajori; Translation of: Philosophiae naturalis principia mathematica; Library has 2 cops; Vol.1 The motion of the bodies.-- v.2 system of the world
ER  -