Switchboards, Telephone, Manual SB-22/PT and SB-22A/PT
Section GENERAL 1-1. Scope a. This manual describes Switchboards, Telephone, Manual SB-22/PT and SB-22A/PT. It covers their installa- tion, operation and maintenance. It also includes operation under unusual conditions, cleaning and…
Download PDF View PDF Back to PDF Library
Free 72-hour kit. A short checklist PDF for the first three days, if you want a next step after this manual.
US Government works, public domain. Report a problem