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It is one of the first 7000 series plugins. | It is one of the first 7000 series plugins. | ||
It was designed by [[Bill DeVey]] and released along with the [[Introduction to the 7000-Series|first 7000-series scopes]] in 1969/1970, and was made until the 7000 series was retired in 1992. | It was designed by [[Bill DeVey]] and released along with the [[Introduction to the 7000-Series|first 7000-series scopes]] in 1969/1970, and was made until the 7000 series was retired in 1992. | ||
The 7A13 was known internally as the XA3 until just before release when the final nomenclature was determined. | |||
==Operation== | ==Operation== |