Physics Instruments - Valves
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Number of items: 4.
Analyser and valve tester
Weston Electrical Instrum
(c.1935)
Analyser and valve tester.
[Image]
![[img]](http://digital.library.leeds.ac.uk/1503/1/lr_physics4%20056.jpg)
![[img]](http://digital.library.leeds.ac.uk/1503/2/physics4%20056.jpg)
![[img]](http://digital.library.leeds.ac.uk/1503/3/lr_physics4%20057.jpg)
![[img]](http://digital.library.leeds.ac.uk/1503/4/physics4%20057.jpg)
Valve
(1940's)
Valve.
[Image]
![[img]](http://digital.library.leeds.ac.uk/1480/1/lr_physics2%20008.jpg)
![[img]](http://digital.library.leeds.ac.uk/1480/2/physics2%20008.jpg)
![[img]](http://digital.library.leeds.ac.uk/1480/3/lr_physics2%20009.jpg)
![[img]](http://digital.library.leeds.ac.uk/1480/4/physics2%20009.jpg)
(1940)
Valve.
[Image]
![[img]](http://digital.library.leeds.ac.uk/1518/1/lr_physics4%20070.jpg)
![[img]](http://digital.library.leeds.ac.uk/1518/2/physics4%20070.jpg)
![[img]](http://digital.library.leeds.ac.uk/1518/3/lr_physics4%20071.jpg)
![[img]](http://digital.library.leeds.ac.uk/1518/4/physics4%20071.jpg)
Canadian General Electric
(1950)
Valve.
[Image]
![[img]](http://digital.library.leeds.ac.uk/1589/1/Physics5_27.JPG)
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![[img]](http://digital.library.leeds.ac.uk/1589/2/Physics5_28.JPG)
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![[img]](http://digital.library.leeds.ac.uk/1589/3/Physics5_29.JPG)
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![[img]](http://digital.library.leeds.ac.uk/1589/4/Physics5_30.JPG)
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