Automatic telephone practice.
| Main Author: | |
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| Format: | Book |
| Language: | English |
| Published: |
Chicago :
H.E. Hershey,
[1919]
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| Edition: | 2d ed., |
| Subjects: |
| Physical Description: | 199 pages, 2 unnumbered pages including illustrations, folded plates, diagrams : portrait ; 23 cm. |
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