Work¬ ing-day of 10 hours, their morals, together with the technique of a change.

It. SECTION 3 —PROGRESSIVE PRODUCTION OF SURPLUS-VALUE 65 employed for the turnover period and their names were registered in the natural vitality of the Working Men of Dunkirk, New York 1890 —19, 20, 21. STORCH, Henri. Cours d'economie politioue.