General Electric NA-1 / G5CL Sodium Lamp George W. Gates & Co.
Lampe à vapeur de sodium
Natriumdampflampe

This 28W low pressure sodium discharge lamp was a very convenient source of near-monochromatic light, and had a multitude of scientific and industrial applications.

Bulb Finish: internal borate glaze
Atmosphere: argon, neon, sodium
Luminous flux: 500 lm
Efficacy: 17.9 lm/W
Warm Up: 10 minutes
Re-strike Time: instantaneous

Hauteur • Height • Höhe : 136 mm • 5 4/10"
Diamètre • Diameter • Durchmesser : 42 mm • 1 7/10"

 

 

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