Electric mine signalling installations : a practical treatise on the fitting-up and maintenance of electrical signalling apparatus in mines /
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| Format: | Book |
| Language: | English |
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London :
Constable & Company,
1914
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| Institution: | National Library of Technology (Czech Republic) |
| All Items of this Institution: | all items available from National Library of Technology (Czech Republic) |
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The theory of electric cables and networks /