How do antique singing bird music boxes work?

A lifelike bird made of feathers and metal sits at the top of the box. When activated, the bird flaps its wings, turns its head, and opens its beak, as
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A lifelike bird made of feathers and metal sits at the top of the box. When activated, the bird flaps its wings, turns its head, and opens its beak, as chirps and warbles play. Inside the decorative box, there’s a complex system of gears and springs. The chirping sounds are

Singing bird box - Wikipedia

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ASJRA Magazine, In The Press - From the Library at M.S. Rau, Since 1912.

BIRD 一次創作

BIRD 一次創作

This exceptional singing bird cylinder music box is a wonder of Austrian mechanical ingenuity. Not only does it play a selection of classical airs

Mandolin Singing Bird Automaton Music Box

BIRD 一次創作

BIRD 一次創作

Antique Karl Griesbaum German singing Bird Cage Music Box Automation Working – Tandläkare och tandvård på Tandläkarhuset i Enköping

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Antique Singing Bird Music Box

1950's W Germany Singing Bird Automaton Music Box

Antique Two Singing Birds in Cage Music Box Automaton, Working Condition