Physical principles for telephone and radio technology.
With some sketches
Please refer to the enclosed illustrations for the table of contents
additional information
| author | Army Intelligence School Jüterbog |
| Year | 1934 |
| Publisher | self-publishing |
| cover | softcover |
| number of pages | 7976 |
| Condition | Signs of use and age on the cover, inside: clean and with firm binding |
