Uploaded July 2020 | Updated September 2026, 1 week ago
How an automaton Tiger Roars. The innovative mechanism of a Roullet & Decamps Leaping Tiger is revealed and the roar explained and demonstrated. Using a quill stuck to a small vellum drum. The quill is plucked rapidly by the spinning fly. The drum is linked to the crouching action and is therefore drawn ever closer to the fly as the Tiger crouches. So the growl gets louder and slower until its explosive denouement.
How an automaton Tiger Roars. The innovative mechanism of a Roullet & Decamps Leaping Tiger is revealed and the roar explained and demonstrated. Using a quill stuck to a small vellum drum. The quill is plucked rapidly by the spinning fly. The drum is linked to the crouching action and is therefore drawn ever closer to the fly as the Tiger crouches. So the growl gets louder and slower until its explosive denouement.
