Leland wonders:
> Does anyone have experience with radiant heat embedded in plaster?  Copper
> lines in the ceiling every four inches, sixty years old.  How can I advise
> the customer as to whether to replace now, during renovations prior to move
> in vs when?

You might check with Bill Flint at Historic Deerfield. I recall learning 
in 1970 that they had electric radiant in some ceilings there. (perhaps 
it was in the apartment above the silversmith's shop, and elsewhere) I 
don't know if it is still performing there, or has failed, or what--but 
Bill may know.

yer pal in preservation,

John

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