Basic Synchros and Servomechanisms: Part 2 Van Valkenburgh
1964. Reprinted with Amendments. 110 pages. Pictorial dust jacket over pictorial paper covered boards. Black and white illustrations throughout. Binding remains firm. Pages and illustrations are lightly tanned throughout. Boards have light shelf-wear with corner bumping. Spine is in good condition. Unclipped jacket has moderate edgewear with chips, tears, and creasing. Stain to spine edge of front panel.