For sale is reprint of TM 11-1214A Oscilloscope OS-8C/U manual. Dated December 1956. Sections on Operations, Installation and Adjustments and Maintenance. 46 pages including 2 11x17 foldouts with Wiring and Circuit Diagrams Real Paper Manual. Quality Printed and Comb Bound. Printed from available copy or scanned from original at 600dpi, restored in Photoshop, Laser printed. Cover page printed on Cover Stock.