Sodium light source, 20W low pressure discharge lamps for spectral work. Delivers approximately 350 lux at 20 cm and more than 90% of the light is concentrated in the doublet at 588.9/589.5 nm. Faint lines of the mercury spectrum are also visible.
Incandescent clamp lamp, 5.5in, Aluminum shade acts like a reflector and spreads light, Comes with a heavy-duty clamp and 6-foot cord, Clamp attaches on pipes, rope and other surfaces, Provides lighting in workshops and basements, Width: 9in, Length: 11.5in
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