Peter
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Kurt
→Pictures
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Soren
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cat
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ye
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template, cat
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SteveS
added similarity with 503 and lack of delay line
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New page: The Tektronix 504 is a monolithic oscilloscope with a bandwidth of 450kHz introduced in 1960. Triggering is done using a multivibrator made of a 6DJ8 tube. The vertical signal...
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