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risen to $160. | risen to $160. | ||
== History of the 5000 and | == History of the 5000 and Subsequent Series of Instruments by [[Ahne Oosterhof]] == | ||
It was late 1969 when the low frequency scope group was about finished with the [[5030]] scopes (1969), | It was late 1969 when the low frequency scope group was about finished with the [[5030]] scopes (1969), |