Hydro-electric practice a practical manual of the development of water, its conversion to electric energy, and its distant transmission
| मुख्य लेखक: | |
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| स्वरूप: | पुस्तक |
| भाषा: | English |
| प्रकाशित: |
Philadelphia & London
J.B. Lippincott Co.
1908.
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| विषय: |