50W

80W

250W

'Kolorlux' (Great Britain)

400W

MB/U - perhaps intended to be exported as I've never come across these warning labels on a lamp carton before! (1986, Great Britain)

Thanks to Colin Grimes for identifying this lamp as one intended for military use - the code '5L 9966771' (not visible here) is a military NATO number, listed in the Defence Standards (DEFSTAN) publication which is described as 'N.S.N. 6240-99-996-6771, Mercury Lamp - Street Lighting, 200/250v, 400W, E40 cap, Clear'. Another code, '16MU' is the Military Unit for RAF Stafford where the NATO stores are based.

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