| Title | The wire system of a great railroad.
|
| Published | Philadelphia, 1925.
|
| Description | 24 p. illus. 23 cm.
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| Series | Pennsylvania railroad information for the public and employees, May 25, 1925
|
| Subjects | Railroads -- Telegraph.
Railroads -- Telephone.
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| Call Number/Copies | |
| | WRHS Research Library: P 4437
mq180050: Local class, closed stacks [status: NON-CIRCULATING] |
| [Record 111559] |
|