“THEORY OF TEACHING,” “ELEMENTs of ASTRONOMY, or THE WORLD AS IT IS, AND AS IT APPEARS,” ETC., ETC.
A NEW EDITION, ENLARGED.
W. I. POOLEY, H A R E E R & B ER OTHE ER.S 2 B UILD ITN G-, NEW-YORK.
Entered according to Act of Congress, in the year 1850, by S. G. S I M P K I N S , in the Clerk's Office of the District Court of the District of Massachusetts.