Vol. s3-22, Issue 128, 1881August 01, 1881 EDT
Upon a Modification of Wheatstone’s Microphone and Its Applicability to Radiophonic Researches
Upon a Modification of Wheatstone’s Microphone and Its Applicability to Radiophonic Researches
A. G. Bell,
Bell, A. G. (1881). Upon a modification of Wheatstone’s microphone and its applicability to radiophonic researches. American Journal of Science, s3-22(128), 87–89. https://doi.org/10.2475/ajs.s3-22.128.87