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

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How To Design & Build Your Own Custom Robot HB 1981 David Heiserman TAB Books

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

How To Build Your Own Self Programming Robot HB 1981 David Heiserman TAB Books

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

David Eddings - Build Your Own Book Bundle - Buy 3 Get 2 Free

Radio Astronomy for the Amateur by David L. Heiserman (1975, TP) NF-