The vibration galvanometer, and a test of the current-sound sensibility of a telephone receiver
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| Format: | Others |
| Language: | English |
| Published: |
University of Iowa
1913
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| Online Access: | https://ir.uiowa.edu/etd/3620 https://ir.uiowa.edu/cgi/viewcontent.cgi?article=3621&context=etd |