Copyright 2005 Frank Andrews - Home - Lightbulb Index - Contact Email: Frank
Relative size of images maintained from original posters.
| 23 | 26 | 27 |
|---|---|---|
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| 10—16 NK 200—250 Volt | 16 NK 200—250 Volt | 4 NK 200—250 Volt |
| All four loops supported. | All three loops supported. | Three loop with side filament support, allowing bulb to be used horizontally. |
| 29 | 32 | 37 |
|---|---|---|
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| 25—32 NK 50—250 Volt | 25—32 NK 176—250 Volt | 5—10 NK 51—135 Volt |
| Spiral filament. | Two two-loop filaments joined in series, each with a side support. | Two loop. |
| 38 | 39 | 40 | 41 |
|---|---|---|---|
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| 5—10 NK 45—135 Volt 16 NK 45—110 Volt |
5 NK 20—110 Volt | 8—10 NK 40—75 Volt 5—10 NK 100—150 Volt |
5 NK 45—175 Volt 10 NK 45—135 Volt |
| Single loop filament. | What is this base type called??? | Single loop filament with top support. | 2 joined wavy loop filaments with top support. |
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