Radio Astronomy for the Amateur by David Heiserman

HOW TO DESIGN AND BUILD YOUR OWN CUSTOM ROBOT By David Heiserman First Edition

Radio and Radar Astronomy Projects for Beginners, Paperback by Arnold, Steven...

David L. Heiserman How To Build Your Own Self - Programming Robot 1979 Paperback

HOW TO BUILD YOUR OWN SELF-PROGRAMMING ROBOT By David L Heiserman - Hardcover VG

_Build Your Own Working Robot by David L. Heiserman (1976, Hardcover)

Test Equipment for the Radio Amateur by H. L. Gibson

HandBook Of Small Appliance Troubleshooting and Repair By David Heiserman 1974