Instruction book for frequency shift keying adapter unit Navy type COL-50308-A : used with Radio transmitting equipment Navy model TDO / Bureau of Ships, Navy Department.
| Other author | United States. Navy Department. Bureau of Ships. |
| Other author | Collins Radio Company. |
| Format | Book |
| Publication Info | [Washington, D.C.] : Bureau of Ships, Navy Dept. ; Cedar Rapids, Iowa : Collins Radio Co., 1947. |
| Description | 40 unnumbered pages : illustrations ; 28 cm |
| Subjects |
| General note | "NAVY NAVSHIPS 900,973" |
| General note | "Approved by BuShips: 13 May 1947" |
| General note | "Contract NObsr-39048" |
| Other title | Radio transmitting equipment Navy model TDO. |