For sale is reprint of National NC-173 Radio Receiver Manual. Manual is 21 pages long and includes circuit diagram, detailed part list. Manual Dated 1947. Manual includes wiring diagrams, illustrations and part location charts. Troubleshooting section has tube socket voltage table, useful when troubleshooting. Must for every owner of this great receiver. Real Paper Manual. Quality Printed and Comb Bound. Printed from available copy or scanned from original at 600dpi, restored in Photoshop, Laser printed on premium acid free paper, they will serve for years. Cover page printed on Cover Stock.