Patents

The National Era publishes a table sbowing ihe number of ptUents taken out in 1846, ns llnstrnting the influence which skvery has on the inventive faculty. Thus stands thé relalive resü't. F ree States. Slnve States. Palents t:iken ut inl94G. 465 80 ! Tennessee, Arkansas, Florida, and the territory of Wiscnnsin contributcci nothng. Tlie palen'B range as fjllows : FreaSlatjs. Slave Siatea &c District. Facts liko these, show what a spring freodom gives lo inventior. nnd labor, and how slavery depresfes both. The Soulh abounds most in raw material : the North works t up. The Soulh has richer resources; the North bv invention makes them contribute to lier wealth. The South relies on the produce of slave labor, and her fertile laixls are worn out, anti her popnlation wanting; the North relies on free labor, and her s'.erile Iands are made rich, while nll the time she is mcreasing in population and uealth.