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Old 17th March 2015, 11:51 AM
MikeHeller MikeHeller is offline
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Join Date: Oct 2010
Location: North Wales
Posts: 1,121
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Just to muddy the waters a bit. I use a mains lamp in my enlarger and found that my exposure times appeared to be all over the place, which I eventually concluded was the voltage variation, which may have been due to a fault in their supply and only listened when my electrician neighbour rang them. They arrived at my house within two hours having ignored my complaints for months AND putting in monitoring equipment for some time: I don't know what he said to them but they found a cracked insulator up a nearby pole.
Anyway, at least the house lights no longer dim periodically but I run my enlarger off a 12V Battery and invertor to avoid any voltage problems.
Mike
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