BAR, SHEET AND PLATE IRON,
Bridge Iron, Cut Nails and Spikes, Railroad and Boat Spikes, Light T Rails, Patent Cold Rolled Shafting, Patent Cold Rolled Iron and Steel Piston Rods, Coupling Links and Pins.
DEALERS IN
RAILWAY SUPPLIES
AND HEAVY HARDWARE.
Lake and Canal Sts.,—- Chicago.
CHICAGO AND NEW YORK.
The two cities above named are the great commercial centers of the United States, the former containing in the vicinity of 650,000 inhabitants, and the latter about 1,500,000. The number of people actually in Chicago at any one time would doubtless range far above these figures, as its floating or transient population is enormous, running up into figures that can hardly be credited. The traffic passing between these two cities daily is very large when one considers that they are within a fraction of 1,000 miles apart. Boston also has a large traffic with Chicago, and to give an idea of the accommodations necessary to provide for the passenger business alone between the three cities, we may state that the