rSD, "Z7iZ-<?>>>^u^t- - ^7 <7 Ot *-2 7 X *?' X JX ID X ::i X^p4 X] <D J7 ^ 21C^ZX X ^1 / x. x.». y / > X2V X* 7 -> / /K-^tPc ~X-X Xtl X X^Z^-tc D U X—x X fV -vX < xi_JL X^T-r*> t>t%;:. /X A XP ZX'Z'^t. c: <x / X /> / X x7~ X2^ ■yH- s c >* y xf A AS^-lS/' 7 ; y?L-~ A^, : ^ .*.; ^ ^ ^ xx ’^■hD-z ^ I…
Mechanics · Astronomy · Optics · Mechanics -- Early works to 1800 · Astronomy -- Early works to 1800 · Optics -- Early works to 1800
Internet Archive · Smithsonian Libraries · Public domain (published before 1931). Free to use for anything.
