way in the practice of the department stores, where the seller fixes the price, and comes in contact with the buyer only through the intervention of a salesman who has no discretion as to the terms of sale. The change that has taken place and that is still going on in this respect is sufficiently striking on comparison with the past in any industrial community, or with the present in any of those communities which we are In the habit of calling " industrially backward,"
Conversely, as regards the men in the pecuniary occupations, the business men. Their exemption from taking thought of mechanical facts and processes is likewise only relative. Even those business men whose business is in a peculiar degree remote from the handling of tools or goods, and from the oversight of mechanical processes, as, for example, bankers, lawyers, brokers, and the like, have still, at the best, to take some cognizance of the mechanical apparatus of everyday life ; they are at least compelled to take some thought