Go back to article: Writing sound with a human ear: reconstructing Bell and Blake’s 1874 ear phonautograph
Figure 7

© Denis Larouche
Completed moving glass apparatus with pulley wheel, installed onto the microscope structure
Go back to article: Writing sound with a human ear: reconstructing Bell and Blake’s 1874 ear phonautograph
© Denis Larouche
Completed moving glass apparatus with pulley wheel, installed onto the microscope structure