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A point that I might mention here is that the [[511|Type 511]] was not the first instrument built by Tektronix. | A point that I might mention here is that the [[511|Type 511]] was not the first instrument built by Tektronix. | ||
Actually the first instrument offered for sale was a calibration standard, designed and built by Howard, and called a Type 101 Calibrator. | Actually the first instrument offered for sale was a calibration standard, designed and built by [[Howard Vollum|Howard]], and called a Type 101 Calibrator. | ||
This instrument was used in the test department for many years to assure the accuracy of all instruments. | This instrument was used in the test department for many years to assure the accuracy of all instruments. |