Wall in the middle ages could not transfer the surplus-profit which some branches of production.
Railroad¬ ing), Moscow, 1875, pp. 69 and 70. *» *>**<.,« ■ f-aJL-AJ&r/i^i. Jl, K/.jfon .' /(»-» AS &*A /^■■» /oX/ ^ ^Jftry /7 »'<*7-/pSJ,/*~ A ' f>'*~' •*— ~P~^ u — •.