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Picture
Manufacturer:    TEKTRONIX (USA)
Model:                    503, S#9686
Vintage:                 1965
Purpose:                Wideband, Multi Purpose, XY
Condition:            Working



Comments:
This oscilloscope was designed to be low cost but still had a lot of the high quality components and circuits as other Tek scopes.
It is one of the few scopes, which contain tubes, nuvistors and transistors. 
It is not geared towards high frequency, rather XY display and slow events.
Therefore perfect for demonstration purposes.
​Also it does not contain a cooling fan.

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