Service Manual from 1950 for above Models, Contents Include; Alignment Instructions, Disassembly, Horiz. Sweep Circuit Adjustment, Parts List and Description, Photographs of Cabinent Rear View, Capacitor and Alignment Identification, Chassis Top View, RF Tuner, Reisistor and Inductor Identification, Schematic, Tube Placement Chart,Voltage and Resistance Measurments, Some very slight wear, Overall Good Condition!