315
The Tektronix Type 315 and 315D are single-channel oscilloscopes from the 1950's. They use 3WP2 3-inch CRTs and are mechanically similar to early 500-series monolithic scopes such as the 511A. The scope slides out of the case instead of having removable side covers as were used in the 53x, 54x, 55x, 56x, 57x, and 58x designs. A rackmount version, the 315R is seen in the March 1956 catalog.
What is the difference between the 315 and the 315D? Were any 315 scopes made, or only 315D?
Tektronix 315D factory calibration procedure
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Front view
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Right view
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Right internal
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Top internal
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Left internal
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Bottom internal
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Rear view
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Catalog photo of 315R
