1862 __ The Piping Bullfinch
‣ Comment : Whilst alluding to ingenious and pleasing acoustic experiments, it may be well to mention here the very pretty toy called "The Piping Bullfinch", which was so much admired in the Swiss Court of the Great London Exhibition of 1862. When a spring is touched, a little model of a bullfinch, with feathers, moving wings, and beak, pops out the box, and pipes almost as naturally as a living songster. The listener imagines that the sound comes from the beak and from the body of the bird ; but that is not the case : the box would sing just as well without the bird as with it. — the bird serves to engage the eye, the music the ear. The sound comes from a small pipe, provided with a piston, which continually shortens and lengthens the tube. The action of the piston is secured by a lever, which is moved as the studs of a barrel (like a barrel organ) come round and touch it. A regular piping tune is set out in studs on the barrel, and the pipe which emits the sound is exactly like the pipes sold in the streets, only instead of the column being shortened and lenghtened by immersion in water, it is done with a piston, and the pipe supplied with air from a small bellows. (John Heny Pepper, pp. 525-526)
‣ Source : Pepper, John Henry (1869), "Cyclopædic science simplified", London : Frederick Warne and Co, pp. 525-526.
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