"Michael Gray" wrote in message ...
Look in "The Mother Earth News" July-August 1978 for part 1 of a short
series on a solar-powered, self-tracking flash-steam generator.
Compleat plans and instructions in Jan-Feb 1979 for the tracker
set-up.
Still keep hold of my short-run of TMEN, #37 - 92, when they printed
the 'good' stuff.
Mike in BC

(Snip)

http://www.motherearthnews.com/menar...&ID=3932&Num=6