Gilfillan Brothers Inc (Los Angeles) GN1 & GN2
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Location: Wangaratta, VIC
Member since 21 February 2009
Member #: 438
Postcount: 5239
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Battery Neutrodyne (1924) Coffin.
I have posted this one on a US site as well. Radio Museum has photo this one GN2 is coming in for repair, It is missing it's meter. & I cannot spot a schematic, albeit they are a common TRF pattern.
Any info appreciated. Only difference between GN1 & GN2 is the cabinet & layout.
Marc
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Location: Wangaratta, VIC
Member since 21 February 2009
Member #: 438
Postcount: 5239
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Photo of the set's insides sent to Brad..... Collector took the cabinet home to inflict repairs. It will repair.
That's where wood often wins over plastic: Its easy to find more wood.
Marc
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Location: Wangaratta, VIC
Member since 21 February 2009
Member #: 438
Postcount: 5239
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Some good news today. A circuit for the exact model was posted on the American forum. Now I know where everything belongs, without having to reverse engineer it.
Marc
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Administrator
Location: Naremburn, NSW
Member since 15 November 2005
Member #: 1
Postcount: 7290
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Noting that it is an American radio, is it safe to assume that the AWA transformers are a retrofit?
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A valve a day keeps the transistor away...
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Location: Wangaratta, VIC
Member since 21 February 2009
Member #: 438
Postcount: 5239
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Brad: Not safe. I am waiting for photo's of the meter & perhaps some of it. There was & still are AWA"s in USA.
I note that the one on Radio Museum has two dissimilar. This could indicate reliability issues & I think one of these is open & that is not unusual, I have had others failed.
The ones in it have "Ideal" stamped on top & that may be a clue. In the meantime we keep an open mind on origin.
Marc
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Administrator
Location: Naremburn, NSW
Member since 15 November 2005
Member #: 1
Postcount: 7290
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Yes, I have three of the same in my parts bin. AWA on the side and Ideal on the top. Same colour too.
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A valve a day keeps the transistor away...
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Location: Melbourne, VIC
Member since 20 September 2011
Member #: 1009
Postcount: 1179
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Harrington's, with branches in most of the main centres in Australia & NZ, were the sole distributors of Gilfillan radio products. The Gilfillan Neutrodyne ready-built GN1 & GN2 were first sold here by Harrington's in late 1925, early 1926. Prior to this Harrington's were stocking Gilfillan parts for home set builders. This was in the early days of wireless & no import restrictions.
Is this a Gilfillan GN1 or GN2?
Or what about this one?
As for "Ideal" transformers, they were indeed made by AWA. And yes, they are Australian made and were unlikely ever seen in the US.
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Location: Sydney, NSW
Member since 28 January 2011
Member #: 823
Postcount: 6678
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Radio in 1925 was definitely a plaything of the wealthy.
£59/17/9 in 1925 is close enough to $4,600 today.
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Administrator
Location: Naremburn, NSW
Member since 15 November 2005
Member #: 1
Postcount: 7290
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And a 1/4 acre block of land was something like £100 and in some cases a tad less. How the tables have turned.
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A valve a day keeps the transistor away...
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Location: Wangaratta, VIC
Member since 21 February 2009
Member #: 438
Postcount: 5239
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I have sent Brad a US ad showing both models. As said circuit is the same.
Marc
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Administrator
Location: Naremburn, NSW
Member since 15 November 2005
Member #: 1
Postcount: 7290
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It always made me wonder why manufactured receivers came as standard without valves and speakers in the 1920s. It'd be like buying a car without wheels or a gearbox. The high cost couldn't be the reason, as the radios were expensive and usually bought on hire purchase anyway. There extra few pounds for the valves and speaker wouldn't have added much to the total burden.
The old "batteries not included" is understandable though, as they are consumables.
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A valve a day keeps the transistor away...
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Location: Melbourne, VIC
Member since 20 September 2011
Member #: 1009
Postcount: 1179
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The US advertisement now clears up my query. The Harrington's of Sydney ad is showing a GN1, not a GN2 as stated. I first noticed this discrepancy on Radiomuseum.
Also, here is an advertisement for Ideal transformers:-
http://trove.nla.gov.au/ndp/del/article/97656007.
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Location: Wangaratta, VIC
Member since 21 February 2009
Member #: 438
Postcount: 5239
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Actually I bought an AutoCad like that, basic package with add on library's for whatever area you were interested in. I bought the one for Electrical & Electronics.
Now would it not be wonderful if a certain OS came like that? That way one would not end up with a HDD cluttered up with space consuming junk features that slowed it down and were of no interest.
Marc
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