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Vintage Amateur and Military Radio Amateur/military receivers and transmitters, morse, and any other related vintage comms equipment. |
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9th Dec 2012, 1:50 pm | #1 |
Pentode
Join Date: Jun 2006
Location: North Hertfordshire, UK.
Posts: 179
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Murphy - B40 are these original knobs?
Hi all,
Simple question really are the knobs shown in the attached picture original or not? When I brought the set I thought not but, I have now seen many others with them I'm now not sure. Thanks TYJ
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"If we are not going to make things, what are we going to do?" Fred Dibnah |
9th Dec 2012, 2:30 pm | #2 |
Octode
Join Date: Jan 2003
Location: Ware, Herts. UK.
Posts: 1,082
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Re: Murphy - B40 are these original knobs?
Hello TYJ
My B40c has slightly different knobs to those. Mine are like this i.e. flat topped with a groove in the form of a circle in the top. Which version of the B40 is yours? John |
9th Dec 2012, 3:50 pm | #3 |
Dekatron
Join Date: Aug 2007
Location: W.Butterwick, near Doncaster UK.
Posts: 8,932
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Re: Murphy - B40 are these original knobs?
They look like Eddystone knobs. (TYJ)
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G8JET BVWS Archivist and Member V.M.A.R.S |
9th Dec 2012, 4:30 pm | #4 |
Pentode
Join Date: Jun 2006
Location: North Hertfordshire, UK.
Posts: 179
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Re: Murphy - B40 are these original knobs?
John,
It's a B40c, presumably like yours, and I expected "grooved" knobs however lie I said I've seen several fitted with the smooth type. TYJ
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"If we are not going to make things, what are we going to do?" Fred Dibnah |
9th Dec 2012, 8:56 pm | #5 |
Heptode
Join Date: Apr 2009
Location: Scratby, Norfolk, UK.
Posts: 650
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Re: Murphy - B40 are these original knobs?
Hi
Certainly looks like a pair of Eddystone 'Elephant foot' knobs to me too, but a simple check would be to take them off, and check the underside. I've just looked at a plain one (without the pointer), and it's marked Eddystone Radio 3146P in the recess near the middle. Kind regards Dave G0ELJ |
9th Dec 2012, 10:09 pm | #6 |
Pentode
Join Date: Jun 2006
Location: North Hertfordshire, UK.
Posts: 179
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Re: Murphy - B40 are these original knobs?
Dave,
I'll check that, if I can get them off as there is little left of the grub screw. Thanks TYJ
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"If we are not going to make things, what are we going to do?" Fred Dibnah |