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Re: Solar water heating system value - Page 40

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Posted by meow2222 on March 10, 2006, 6:11 pm
Doctor Drivel wrote:

Early dw machines can be seen on various net sites, and in books from
the time. They used flow of hot water and soap to clean the dishes, and
were only really effective on freshly used still wet food. They were
used in large kitchens, being ineffective for smaller scale use.
Restaurant machines are descended from these, todays home machines use
somewhat different principles. The simplest early dishwashers were no
more than a sink of hot soapy water with a pump to circulate it, plus a
clean rinsing sink.

If you have any reference or link to sandblasting dishwashers I'd be
curious to see it, but I'm doubtful.


Posted by Doctor Drivel on March 10, 2006, 7:47 pm

Did you ever feel that powder?  My first dishwasher would clean the chrome
over grills and shelves spotless, as it sand blasted them.  The powder was
course and took a long time to dissolve.  The new one does not.  But the
crockery is much cleaner.

Posted by meow2222 on March 11, 2006, 12:46 am
 Doctor Drivel wrote:

a mild abrasive maybe, thrown out by the pssive plastic arms sure, but
a fair way from sandblasing :) Maybe if I motorise the arms the
ovenware will come out better!


Posted by Grimly Curmudgeon on March 12, 2006, 4:05 pm
 We were somewhere around Barstow, on the edge of the desert, when the
saying something like:

That was a concrete mixer. Understandable mistake, I suppose.


Posted by Steve Spence on March 12, 2006, 1:35 am
 meow2222@care2.com wrote:

Many Americans don't wash clothes with hot water.

Steve Spence
Dir., Green Trust, http://www.green-trust.org
Contributing Editor, http://www.off-grid.net

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