Meniscus microphones: a new form of sound transmitter.
By E.B.H. Wade ...

APA Citation

Wade, E. B. H. (1921). Meniscus microphones: a new form of sound transmitter. Cairo: Government Press.

MLA Citation

Wade, E. B. H. Meniscus Microphones: a New Form of Sound Transmitter. Cairo: Government Press, 1921.

Warning: These citations may not always be complete (especially for serials).