The telephone, the microphone & the phonograph by comte Th. Du Moncel
"The Telephone, the Microphone & the Phonograph" by comte Th. Du Moncel is a scientific publication written in the late 19th century. The book focuses on the in
"The Telephone, the Microphone & the Phonograph" by comte Th. Du Moncel is a scientific publication written in the late 19th century. The book focuses on the invention, development, and scientific principles underpinning the telephone, microphone, and phonograph, detailing their histories, mechanisms, and various applications. Drawing on the recent and rapid advances of the electrical era, it explores both the technical and practical aspects of these groundbreaking communication devices. The opening of ... Read More
