O & L Resources

Manufactures electron tube parts Electron tube devices and accessories, Electron Tubes, Cathode ray tubes, Klystrons, Magnetrons, Traveling wave tubes, Disk seal tubes, Resnatrons, Thyratrons, Ignitrons, Photo tubes, Photo multiplier tubes, Camera or television pickup tubes, Diode tubes, Triode tubes, Tetrode tubes, Pentode tubes, Multiple valve tubes