Skip to content

The Talking Machine Patent Archive

Patents you could hear

Browse Dates Inventors Types About

Talking crow automaton

Patent drawing of a cylinder phonograph mechanism with a screw-threaded shaft, spring, cam, and latch assembly, shown both as isolated hardware and mounted inside the hollow body of a crow figure on a pedestal.

PHONOGRAPH.Francis M. Criswell · March 8, 1892

United States patent drawings and specifications are works of the U.S. government and are in the public domain — they were never copyrighted. Download them, print them, frame them. Our commentary and descriptions are © 2026 The Talking Machine Patent Archive.

About · Terms · Privacy · Corrections welcome — this archive gets better when collectors write in.