![](https://coimages.sciencemuseumgroup.org.uk/240/723/large_thumbnail_1930_0411__0001_.jpg)
Sound direction apparatus
- Made:
- Unattributed place
![Apparatus for the investigation of the perception of sound](https://coimages.sciencemuseumgroup.org.uk/371/682/small_thumbnail_smg00061828.jpg)
![Apparatus for the investigation of the perception of sound](https://coimages.sciencemuseumgroup.org.uk/53/379/small_thumbnail_1930_0452__0002_.jpg)
![Apparatus for the investigation of the perception of sound](https://coimages.sciencemuseumgroup.org.uk/53/378/small_thumbnail_1930_0452__0001_.jpg)
Apparatus for the investigation of the perception of sound direction
Many objects in Lord Rayleigh’s collection are annotated with a reference to the volume and page of his collected works where they are discussed.
Object 1930-452 is inscribed with ink on metal “Vol V p 358”.