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 Post subject: Graphophone BK - Adaptor
PostPosted: Mon May 14, 2018 5:34 pm 
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Victor II
Joined: Thu Aug 13, 2009 5:51 am
Posts: 359
Not seen one of these before. Is it a 2 / 4 minute adaptor?


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 Post subject: Re: Graphophone BK - Adaptor
PostPosted: Mon May 14, 2018 5:52 pm 
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Victor I
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Joined: Mon Feb 22, 2016 4:49 am
Posts: 164
Location: Indiana
Wish I knew, sorry. That said, I am curious as you and find the picture Very interesting. Thanks for post pics. I'm sure someone here will have some info. Steve


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 Post subject: Re: Graphophone BK - Adaptor
PostPosted: Tue May 15, 2018 12:18 am 
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Victor V
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Location: Where there's "hamburger ALL OVER the highway"...
Does the knurled knob move in and out? If so, it may be a 2/4 min. attachment.

If you can spin the mandrel, try it either way, and see how fast the carriage travels.

Bill


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 Post subject: Re: Graphophone BK - Adaptor
PostPosted: Tue May 15, 2018 8:10 am 
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Victor II
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Location: PA
Need pictures (in focus and well lit) from the other side of the casting frame, where
the gear train is located.

Chuck


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 Post subject: Re: Graphophone BK - Adaptor
PostPosted: Wed May 16, 2018 5:32 pm 
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Victor II
Joined: Thu Aug 13, 2009 5:51 am
Posts: 359
So the knurled knob's only function is to hold the adaptor cover in place. The flat piece with the diagnal slit moves to engage & disengage cogs. Looks as i the mandrel is also a part of the adaptor set as can be seen from the photo's.

I'll make some better lit photos on the weekend when I am home during sunshine hours.


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 Post subject: Re: Graphophone BK - Adaptor
PostPosted: Wed May 16, 2018 6:27 pm 
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Victor II
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Location: PA
Sure looks like a combination attachment. Can you see how the gears engage for the two speeds?

I have weird combination attachment on a BM, never saw another and no one I've shown it to has either.

Chuck


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 Post subject: Re: Graphophone BK - Adaptor
PostPosted: Sun May 20, 2018 12:44 pm 
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Victor II
Joined: Thu Aug 13, 2009 5:51 am
Posts: 359
I was just looking at Howard Hazelcors's impressive "Columbia Companion" and there in the description of BK, he stated that a 2-4 minute adaptor was available as an optional extra. Does anyone have the "official" adaptor that Columbia marketed? (was there one?)


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 Post subject: Re: Graphophone BK - Adaptor
PostPosted: Sun May 20, 2018 12:55 pm 
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Victor Monarch Special
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Who is John Galt?
Joined: Wed Jan 07, 2009 6:08 pm
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Location: New York's Finger Lakes
Sidewinder wrote:
I was just looking at Howard Hazelcors's impressive "Columbia Companion" and there in the description of BK, he stated that a 2-4 minute adaptor was available as an optional extra. Does anyone have the "official" adaptor that Columbia marketed? (was there one?)


I don't have one, but I've seen them and they look nothing like the device pictured above.

George P.


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 Post subject: Re: Graphophone BK - Adaptor
PostPosted: Sun May 20, 2018 1:46 pm 
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Victor II
Joined: Thu Aug 13, 2009 5:51 am
Posts: 359
Thanks very much for the info.


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