Click on the left button to download a pdf book. If it is made by multiple pdf files, you’ll find it zipped.

Download Old time Radio! Restoration and repair. (Joseph J. Carr, McGraw-Hill, 1990, 265 pp.)
Download Build your own low-power transmitter. (Rudolf F. Graf, William Sheet, Newnes, 2001, 292 pp.)
Download Klingenfuss 2017-2018 Guide to Utility Radio Stations, 29th Edition. (Klingenfus Publications, Germany, 2016, 545 pp.)