491: Difference between revisions

12 bytes removed ,  11 March
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'''Modifications and Calibration'''
'''Modifications and Calibration'''
* [[Media:050-0692-03.pdf | Tektronix 491 Band C Oscillator Replacement Modification]] (OCR)
* [[Media:050-0692-03.pdf | Tektronix 491 Band C Oscillator Replacement Modification]] (OCR)
* [[Media:Tek 491 mod wa.pdf | Tektronix 491 Mod WA]] (needs OCR)
* [[Media:Tek 491 mod wa.pdf | Tektronix 491 Mod WA]]
* [[Media:Tek 491 fcp nov 1966.pdf | Tektronix 491 Factory Calibration Procedure, November 1966]]  (needs OCR)
* [[Media:Tek 491 fcp nov 1966.pdf | Tektronix 491 Factory Calibration Procedure, November 1966]]  (needs OCR)
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