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The 454 was [[introduced in 1967|introduced in March 1967]]. The 454A was [[introduced in 1971]]. | The 454 was [[introduced in 1967|introduced in March 1967]]. The 454A was [[introduced in 1971]]. | ||
*[http:// | *[http://w140.com/mmm/tek-454.pdf Tektronix 454 Manual (PDF)] | ||
*[http:// | *[http://w140.com/mmm/tek-454a.pdf Tektronix 454A Manual (PDF)] | ||
<gallery> | <gallery> |