\ WEEKLY JOURNAL OF PRACTICAL INFORMATION, ART, SCIENCE, MECHANICS, CHEMISTRY, AND MANUFACTURES. Vol. LXXXIIL.—No. 11.) NEW YORK, SEPTEMBER 15, 1900. (ee oO WEEELY. 8& MILES PNEUMATIC TUBE 5°] $ | e | MOON, . . s ; … 47,000 FEET HIGH, REPRESENTS THE POSTAL REVENUE $95,021,384. 4,729 PIECES OF FIRST-CLASS MATTER MAILED DAILY MAKES A PILE 39.219 FEET HIGH. THE ANNUAL WEIGHT OF MAIL CARRIED IS 664,286,868 LBS. f 6,576.310,000 PIECES OF MAIL, ANNUALLY, TO TRANSPORT IT WOULD REQUIRE 33,214 FREIGHT CARS FORMING A…
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