NATURAL PHILOSOPHY AND CIVIL ENGINEERING. 1. Parker's (R. G.) Juvenile Philosophy, Part I., Designed to teach Children to Think. 25 cts.. 2. Parker's Juvenile Philosophy, Part II., or, FIRST 3. Parker's Compendium of Natural and Experi. L 4. Chambers' Introduction to the Sciences. Presenting 5. Chambers' Natural Philosophy. Embracing Laws of Matter and Motion, Mechanics, Hydrostatics, Hydraulics, and Pneumatics. 75 cts. 6. McIntire's Astronomy and the Globes, Designed for the use of High Schools and Academies. $1.00. 7. Bartlett's (Prof. W. H. C.) Elements of Mechanics, Designed for Colleges and Universities. $3.00. 8. Bartlett's Elements of Aconstics and Optics, Designed for Colleges and Universities. $2.00. 9. Bartlett's Analytical Mechanics. (A text-book in the United States Military Academy.) $4.00. 10. Bartlett's Elements of Astronomy. This work is the most complete of any published in the United States. $3.00 11. Gillespie's (Prof. W. A., OF UNION COLLEGE,)XX Manual of Road-Making, Comprising the Location, Construction, and Improvement of Roads (Common, Macadam, $1.50. |