Old OSRAM spectral lamps
Pair of old OSRAM lamps -- Hg and Cd

Old OSRAM spectral lamps

Pair of old OSRAM lamps -- Hg and Cd

387A1286.JPG Screenshot_20211211-130459.jpg IMG_20211203_212821.jpg IMG_20211116_220039.jpg IMG_20211116_221404.jpg
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Date added:10 Dec, 2021
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Andy   [11 Dec, 2021 at 10:47 AM]
Great photo of these older style Osram spectral lamps. It is only on these lamps that I have seen the use of the 3 pin B22d-3 cap outside of the UK where it was popular for 80W and 125W MV lamps for street lighting.

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