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* [http://w140.com/tek_422_sn_20000_up.pdf Tektronix 422 Manual for Serial Numbers 20,000 and up (PDF)] | * [http://w140.com/tek_422_sn_20000_up.pdf Tektronix 422 Manual for Serial Numbers 20,000 and up (PDF)] | ||
* [http://w140.com/tek_422_product_reference_book.pdf Tektronix 422 Product Reference Book (PDF)] | * [http://w140.com/tek_422_product_reference_book.pdf Tektronix 422 Product Reference Book (PDF)] | ||
* [[Media:070-0434-02.pdf|Tektronix 422 Manual (PDF, OCR)]] | |||
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The '''Tektronix Type 422''' is a 15 MHz portable dual-trace oscilloscope introduced in 1966. | The '''Tektronix Type 422''' is a 15 MHz portable dual-trace oscilloscope introduced in 1966. |
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