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14

know definately which is our main line, thus Eliminating any possibility of his following the line of any other Railroad than ours, or even going wrong by getting on any of our branch lines.

He will fly over our old Main Line between Pymatuning and Leavittsburg. The strips should be placed about twelve hours ahead of Mr Rodgers.  He'll wire you as far in advance as possible when to look for him."
FS Howard D.Pa.

At the time of this flight, the Erie was not entirely equipped with the automatic /Block System. There were block towers at frequent intervals, in which telegraph operators were on duty to handle train orders and operate block signals manually.
 
During the entire trip from New York to Chicago each telegraph operator reported to his