[GreenKeys] Mystery crank?

[Richard Knoppow]

    On your Puzzle Solved page you have a picture of a Gardner 
tape sender. These were advertised in QST for years around the 
1940s and 1950s along with the ever popular Instructograph. For 
some reason I thought they dated from the 1930s like the 
Instructograph but the patent was issued in 1940. I have two 
Instructographs with tapes and have seen  many others but have 
never seen a Gardner machine. They were perhaps not so popular 
and were certainly made for a shorter period of time. Both of my 
Instructographs have wind-up phonograph motors although they 
evidently also made them with electric motors. The Gardner 
machine is electric. I wonder if anyone on the GK list has one. I 
also found an ad from Gardner for a different keyer. The one on 
your site is a Type S, this one is advertised as a Type A. The ad 
says it comes with ten rolls of tape but the illustration does 
not make the mechanism at all clear. Ad is in QST for Sept 1945, 
p.98 on the left bottom. I never noticed this ad before, mostly 
its the S version that they advertised.

On 2/7/2019 9:03 AM, Nick England wrote:
> I don't think it is a M15 - but what is it? Do you need one?
> Photos at
> http://www.navy-radio.com/puzzlers.htm
> 
> 
> Nick England K4NYW
> www.navy-radio.com <http://www.navy-radio.com>
> 
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-- 
Richard Knoppow
1oldlens1 at ix.netcom.com
WB6KBL