I found that the bulk of the trade is controlled by the city, one class of goods being kept at one place in suitable store houses. The city owns a full line of vehicles resembling our automobiles. These are very spacious. Each one is supplied with certain lines of merchandise and passes over an unalterable rail route at its own fixed period.
Thus all parts of the city are reached with the necessaries of life. Those who prefer can go to the trade centers, but no special orders are delivered except by the regular cars and at the regular time.
For instance, one can go to the trade centers for meats and vegetables, and purchase what he wishes or give his order. At the time corresponding to six o'clock of our time in the morning the meat and vegetable cars start on their respective routes, while the trade centers are open for personal callers. Marketing goes on at the market center while the cars are selling throughout the city. At nine o'clock the delivery cars leave the trade centers.
Similar to the manner of our world,
