Re: {Collins} Fwd: Did Collins ever manufacture tubes?

Jim and All,

You posted the message below as I was writing mine.  If any of the tubes made for Collins by Amperex have manufacturer coding, the indication (per the Sibley book) would be either "111" or "CEP".

TNX for the info, Jim.

73, Dale

-----Original Message-----
>From: James Stitzinger <bflinc@xxxxxxxxxx>
>Sent: Oct 11, 2016 2:41 PM
>To: collins@xxxxxxxxxxxxx
>Subject: {Collins} Fwd:  Did Collins ever manufacture tubes?
>Sent from my iPhone
>Begin forwarded message:
>> From: James Stitzinger <bflinc@xxxxxxxxxx>
>> Date: October 11, 2016 at 12:38:08 PM PDT
>> To: Phil <pmills7@xxxxxxxxxxx>
>> Subject: Re: {Collins} Did Collins ever manufacture tubes?
>> Phil,
>> I have the ad in Electric Radio and I am collecting Collins "Made" tubes.  I have about 25 of them so far.  I have the original Collins literature to support them!
>> I met one guy who told me he saw a glass blower in the Collins Factory and that they were making tubes themselves between 1936-38. Some of the Collins tubes have serial numbers on the bottom and the signature of the guy who produced the tube inside the glass.  I have never seen this on Amperex tubes.  This would lead to the idea Collins actually made them. 
>> However almost every one I talk to says Amperex was making them for Collins during this period.  I have exact tubes with the Collins name and others with the Amperex name on them like the famous 100 with the outside grid.  This is true of pictures of Collins transmitters in the early literature I have where one row of tubes says Collins and the other row says Amperex.
>> My conclusion is Amperex made most and possibly Collins made a few.
>> Call if you would like to talk more.
>> Jim Stitzinger, WA3CEX
>> 1.818.519.4419
>> Sent from my iPhone
>>> On Oct 11, 2016, at 12:02 PM, Phil <pmills7@xxxxxxxxxxx> wrote:
>>> An ad in Electric Radio is searching for Collins
>>> manufactured tubes circa 1936 to 1938.  I know
>>> that many radio manufacturers had tubes labelled
>>> with their brand but these were always made by
>>> someone else.  Did Collins really make their own
>>> tubes?
>>> thanks, 73, Phil   W5BVB
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