The Canary’s Vocal Lesson
An amazing image taken from the 1910 Progress of the World booklet series. Shows a canary instructor teaching his canaries how to sing with a special whistling device. Notice the squirrel cage on the bottom shelf!
An amazing image taken from the 1910 Progress of the World booklet series. Shows a canary instructor teaching his canaries how to sing with a special whistling device. Notice the squirrel cage on the bottom shelf!