[D0204AAO], Telegram from Thomas Alva Edison to Unknown, August 13th, 1902
https://edisondigital.rutgers.edu/document/D0204AAO
Transcription
Cable Aug 13 _ 1902 Satusultra Berlin Germany Impossible to be certain that changed cell has all iron metallic state test results vary [illegible overstruck handwriting] according to Method Manufacture. Claim should be for iron or compound there of electronically oxidizable when changed deoxidizable when discharged Edison