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 Return to top of page · Post #: 16 · Written at 10:59:59 PM on 12 July 2013.
STC830's Gravatar
 STC830
 Location: NSW
 Member since 10 June 2010
 Member #: 681
 Postcount: 1256

Actually the Silent Knight was just that - only made very subdued gurglings and tinklings being of the absorption type with no moving parts. But they lost efficiency as the insulation filled up with water and were toxic if the ammonia leaked. So no poking at vital parts when defrosting.
 
 Return to top of page · Post #: 17 · Written at 7:44:08 AM on 13 July 2013.
Brad's avatar
 Brad
 Administrator
 Location: Naremburn, NSW
 Member since 15 November 2005
 Member #: 1
 Postcount: 7304

There is an article on Sir Edward Hallstrom here. It's a short article but a good read.


‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾
A valve a day keeps the transistor away...

 
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