Its discussion may be found in any work on theoretical astronomy.

Ricardo's works, in fact, do not explain a theoretical system, but contain the matured reflections, more or less closely reasoned, of a man of great mental power looking out on the world as it appeared to a business man experienced in affairs.

in 1824 by Stephen van Rensselaer as a "school of theoretical and practical science," incorporated in 1826, and reorganized in 1849 as a general polytechnic institute.

Other schools are the school of naval medicine at Bordeaux with annexes at Toulon, Brest and Rochefort; schools of torpedoes and mines and of gunnery at Toulon, &c., &c. The coles dhydro graphic established at various ports are for theoretical training for the higher grades of the merchant service.

Human philosophy, theoretical physics, poetry, Italian Masters, romance.