Physics Instruments - Sound
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Number of items: 2.
Demo organ pipe
Fred Jackson and Co., Man
Demo organ pipe.
[Image]
![[img]](http://digital.library.leeds.ac.uk/1463/1/lr_physics1%20060.jpg)
![[img]](http://digital.library.leeds.ac.uk/1463/2/physics1%20060.jpg)
![[img]](http://digital.library.leeds.ac.uk/1463/3/lr_physics1%20061.jpg)
![[img]](http://digital.library.leeds.ac.uk/1463/4/physics1%20061.jpg)
Siren
Max Kohl, Chemnitz
(Early 1900s)
Siren.
[Image]
![[img]](http://digital.library.leeds.ac.uk/1466/1/lr_physics1%20021.jpg)
![[img]](http://digital.library.leeds.ac.uk/1466/2/physics1%20021.jpg)
![[img]](http://digital.library.leeds.ac.uk/1466/3/lr_physics1%20022.jpg)
![[img]](http://digital.library.leeds.ac.uk/1466/4/physics1%20022.jpg)
