Which are the bluish ones that seem bright and indeed upset my non seeing
eyes but seem dim contrast wise, called?
Mercury vapour?
Brian

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"Tim+" wrote in message
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Tricky Dicky wrote:
It looks to me like a sodium discharge bulb, couldn't say whether it is
high or low pressure type, certainly the high pressure type need a
ballast to work. Might be useful for an outside light but not inside
unless you particularly like a bright yellow light effect.

Richard


I don't think it's sodium. It's a discharge lamp of some sort (a Philips
bulb) but I think it was a white ( or near white) light, not bright orange
or pale peachy orange.

Tim

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