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The 183B appears in the 1961 catalog. | The 183B appears in the 1961 catalog. | ||
The Tektronix 182A and 183A were furnished as a set, calibrated together. | The Tektronix 182A and 183A were furnished as a set, calibrated together as a matched pair. | ||
This was changed in the 182B and 183B series, so the 182B / 183B rotational analyzer pair were were completely interchangeable with the 182A / 183A pair. | This was changed in the 182B and 183B series, so the 182B / 183B rotational analyzer pair were were completely interchangeable with the 182A / 183A pair. | ||
Consequently, "A" series and "B" series models may not be mixed. | Consequently, "A" series and "B" series models may not be mixed. |
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