Prewar Transmitter

Wilson Lamb infomet at EMBARQMAIL.COM
Sun Feb 14 13:37:13 EST 2010

Great source, but I don't have any prewar hbks.  Will look at my QST on CD.
I want to stay pre 1940, if possible and now believe the first Signal 
Shifter was 1938.
Still looking for bigger, of course.  I'm not sure if the SS and an amp 
meets the spirit of CX.
----- Original Message ----- 
From: "Glen Zook" <gzook at>
To: <BOATANCHORS at LISTS.TEMPE.GOV>; "Wilson Lamb" <infomet at>
Sent: Sunday, February 14, 2010 1:32 PM
Subject: Re: [BOATANCHORS-TEMPE] Prewar Transmitter

> Looking at the 1937, 1939, 1941, 1946, and 1947 ARRL Handbooks (in the 
> advertising section) the only VFO (ECO) listed prewar was in the 1941 and 
> that was the Meissner Signal Shifter.  There were no VFOs (both external 
> and internal) listed in the 1946 Handbook.
> The 1947 Handbook lists the Supreme AF-100 transmitter with a built in 
> VFO, the Collins 32V-1 transmitter and 70E-8 PTO, and the Meissner Signal 
> Shifter.  No other VFOs are advertised.  However, VFOs, both internal and 
> external, started becoming available on a regular basis after the war.
> Glen, K9STH
> Website:
> --- On Sun, 2/14/10, Wilson Lamb <infomet at EMBARQMAIL.COM> wrote:
> I'm looking for a prewar transmitter to be roughly age compatible with my 
> Comet Pro. I know about Leeds, Gross, Thordarson, but they are all crystal 
> controlled, I think. I also know about the Signal Shifter and Variarm VFO. 
> Is there a more powerful, 20+Watts, rig with integral VFO for which I 
> could be looking.

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