Engineering reports.
Sábháilte in:
| Údair chorparáideacha: | , , |
|---|---|
| Formáid: | Sraithuimhir |
| Teanga: | English |
| Foilsithe / Cruthaithe: |
New York, :
Charles Francis Press.
|
| Ábhair: |
| Foilsithe / Cruthaithe: | v. 1- Apr. 1930- |
|---|---|
| Cur síos ar an mír: | At head of title, vol. 1-2: Joint Subcommittee on Development and Research of the National Electric Light Association and the Bell Telephone System. |
| Cur síos fisiciúil: | v. |
| Leabharliosta: | Includes bibliographical references. |