Aeronautics: Timemap

As manager of the consolidated airline ticket office in Toledo, J. Dunham Ruhl wearied of thumbing through timetables. Especially he wearied of hunting down connection times among schedules of the 26 U. S. airlines, even in a single 50-page booklet containing all of them. Last fortnight he published a handy timefinder—a 4-ft. map of the U. S. showing not only every airline, but every plane schedule, with times of arrival & departure at each city. Around the border, as paid advertising, are the tariff schedules of the lines. The map is to...

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