33 Teletypewriter Sets

This document is Volume 1 of the Bulletin 310B technical manual covering 33 Teletypewriter Sets. It provides a comprehensive description of the Receive-Only (RO), Keyboard Send-Receive (KSR), and Automatic Send-Receive (ASR) sets. The manual includes installation instructions, principles of operation for component units (Typing Unit, Call Control Unit, Keyboard, Tape Punch, and Tape Reader), and guidelines for removing, replacing, and lubricating components. Specific details on the 3300 Series Coded Sets and Computer Input/Output (I/O) sets are also provided, including wiring and interface specifications.