Function of the card:
Capacitor Sense Amplifier (2 loads)
Part number: 371559
Used in: IBM 7070
Cap code: VW (details)
IBM Standard Modular System, Component Circuits, p143
1401 Pocket Reference Manual
The information on these pages comes from a variety of sources, especially old IBM documents on bitsavers.org, as well as information from the IBM 1401 restoration team, especially Tim Coslet's SMS data and Jim Hunt's data. Much of this information was obtained through OCR, so don't expect complete accuracy. These pages are not associated with IBM in any way.