“The sound wave has at last been photographed” January 5, 1895
“The sound wave has at last been photographed” January 5, 1895 -- source link
Tumblr Blog : illinoisdigitalnewspapers.tumblr.com
#sound waves#chicago eagle
“The sound wave has at last been photographed” January 5, 1895 -- source link
Tumblr Blog : illinoisdigitalnewspapers.tumblr.com