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|6699||none||Green plastic filter in front of incandescent bulb||jeffh|
|6700||none||Blue plastic filter in front of incandescent bulb||jeffh|
|6701||none||Orange plastic filter in front of incandescent bulb||jeffh|
|6702||none||red glass filter in front of incandescent bulb||jeffh|
|6704||none||Incandescent bulb with no filter||jeffh|
Top spectrum is an incandescent bulb, followed by red, orange, green and blue color filters (the red is a glass photographic filter; the others are just plastic). I like to play with color, and looking at the spectra we see as colors. The unfiltered incandescent spectrum is hard to see because of the color used in the plot. Its intensity was reduced to avoid saturation.