Subject Credit Link Philco Parts - Original Part Numbers and Specs. Chuck Schwark - The Philco Repair Bench http://www.philcorepairbench.com/partinfo.htm Deciphering Philco Resistors Ron Ramirez - Philco Dot Com http://www.philcoradio.com/tech/resistor.htm Radio Schematics The Schematics Bank   Richard Lancaster - Nostalgia Air http://techpreservation.dyndns.org/schematics/     http://www.nostalgiaair.org/Resources/303/T0000303.htm Philco Tube Layout by Model Chuck Schwark - The Philco Repair Bench http://www.philcorepairbench.com/tube/tubeman.htm Philco Value Guide Ron Ramirez - Philco Dot Com http://www.philcoradio.com/tech/values.htm Dating Your Philco Ron Ramirez - Philco Dot Com http://www.philcoradio.com/tech/age.htm Authentic Lacquer Finish Restoration Alan Douglas - Antique Radios Dot Com http://www.antiqueradios.com/features/lacquer.shtml