> Even as a mining museum it comes under various mines and factories
> acts. This means that No batteries or electrical equipment is allowed
> undeground (explosion risk) "wind up" mechanical watches only.
I find the business about watches to be incredble. If the atmosphere is that
explosive, I wouldn't go there.
Since it's underground, there has to be some light somewhere. Find out what
they use. I can't believe there is no electricity there at all.
Contact their safety director, and get some tips on portable hot lights.
Look for professional industrial equipment suppliers and ask for equipment
that is rated Intrinsically Safe (the US term, at least). Then, take a
tripod and do painting with light. Any old OM1 that works on B will be fine,
so no fires from the batteries that you remove.
Bill Pearce
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