35W4 Half Wave High Vacuum Rectifier Tube. Use in line-operated equipment having series-connected heaters. MFR: GE, RCA, Sylvania, Westinghouse. SKU: 35W4. New old stock. No longer available for export.
35W4 Raytheon Audio Vacuum Tube Valve - Bangybang
RCA 35W4 vacuum tube for All American 5 tube table radios new old stock original box - Etsy Italia
1 X 35W4 / HY90 WESTINGHOUSE TUBE. NOS/NIB. RC115
35W4 @ The Valve Museum
NEW IN BOX G.E. 35W4 RADIO RECTIFIER TUBE - HY90 VALVE - USA | eBay