Hydro-electric practice a practical manual of the development of water, its conversion to electric energy, and its distant transmission
| Príomhchruthaitheoir: | |
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| Formáid: | LEABHAR |
| Teanga: | English |
| Foilsithe / Cruthaithe: |
Philadelphia & London
J.B. Lippincott Co.
1908.
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