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551: Difference between revisions
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<!-- * [http://w140.com/tek_fcp/tek_551_fac_cal.pdf Tektronix 551 Factory Calibration Procedure (PDF)] --> | <!-- * [http://w140.com/tek_fcp/tek_551_fac_cal.pdf Tektronix 551 Factory Calibration Procedure (PDF)] --> | ||
* [[Media:tek_551_fcp.pdf|Tektronix 551 Factory Calibration Procedure, January 1959 (PDF, OCR)]] | * [[Media:tek_551_fcp.pdf|Tektronix 551 Factory Calibration Procedure, January 1959 (PDF, OCR)]] | ||
* [[Media:Tek 551 fcp sep 1967.pdf|Tektronix 551 Factory Calibration Procedure, September 1967 | * [[Media:Tek 551 fcp sep 1967.pdf|Tektronix 551 Factory Calibration Procedure, September 1967]] | ||
}} | }} | ||
The '''Tektronix Type 551''', [[introduced in 1958]], | The '''Tektronix Type 551''', [[introduced in 1958]], | ||