Topcon - 42426-30160 - CP-5D Chart Projector Replacement Light Bulb :  Voltage  115-125,   Wattage  50,   Base  BA15D,   Shape  T8,   Overall Length (mm)  74.5MM,   Filament  C-13,  Manufacturer: Not Listed  Topcon - 42426-30160 - CP-5D Chart Projector Replacement Light Bulb