text_original: Two keys are used, which, when depressed, transmit respectively positive and negative currents coming from the connected batteries.
text_transcription: TWO KEYS ARE USED WHICH WHEN DEPRESSED TRANSMIT RESPECTIVELY POSITIVE AND NEGATIVE CURRENTS COMING FROM THE CONNECTED BATTERIES
phonemes: tˈuː kˈiːz ɑːɹ jˈuːzd, wˈɪtʃ, wˌɛn dᵻpɹˈɛst, tɹænsmˈɪt ɹᵻspˈɛktɪvli pˈɑːzᵻtˌɪv ænd nˈɛɡətˌɪv kˈɜːɹənts kˈʌmɪŋ fɹʌmðə kənˈɛktᵻd bˈæɾɚɹiz.