larly applicable to ocean cables. An alternator is used for transmitting purposes; one pole is earthed, the other being connected through a signalling key, condenser, and sensitive relay to the line circuit. The apparatus is the same at each end of the line, the sensitive relay controlling a sluggis
โฆ LIBER โฆ
Molten zinc as a reagent for the microscopic etching of iron and steel
- Publisher
- Elsevier Science
- Year
- 1915
- Tongue
- English
- Weight
- 131 KB
- Volume
- 180
- Category
- Article
- ISSN
- 0016-0032
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