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"
![General Electric NA-1 / G5CL](dl074a.jpg)
![General Electric NA-1 / G5CL](dl074b.jpg)
![General Electric NA-1 / G5CL](dl074c.jpg)
![George W. Gates & Co. SLA-5C](dl074d.jpg)
![George W. Gates & Co. SLA-5C](dl074e.jpg)
![General Electric NA-1 / G5CL](dl074f.jpg)
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