Quantity   Component name
1 × Futaba 20-SD-06GK VFD A 20-character VFD (with 20 grids and 35 anode segments), $5 on EBay
1 × HVAC-control transformer
1 × Small transformer (8 VA, 120 to 9 or 10 V) Power supplies for answering machines and modems are a good source for these
1 × Reservoir cap (2.2 mF, 200 V)
2 × Bridge rectifier