[jon6.0]

These all interchange:

Model / Filament / Volts / Watts / Amps / CP / Life

2057 / Low-High / 14.0-12.8 / 6.86-26.88 /.49-2.10 / 2-32 / 5000-1200
1034 / Low-High /14.0-12.8 / 8.26-23.04 / 0.59-1.80 / 3-32 /5000- 200
1157 / Low-High /14.0-12.8 / 8.26-26.88 / 0.59-2.10 / 3-32 / 5000-1200
2397 / Low-High / 14.0-12.8 / 6.72-28.54 / 0.48-2.23 / 2-40 /5000- 400
2357/ Low-High / 14.0-12.8 / 8.26-28.54 / 0.59-2.23 / 3-40 /5000- 400