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Entry Levers - pins vs Rectangles and Name on Curta

 
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davhamm



Joined: 08 Nov 2015
Posts: 148
Location: Michigan

PostPosted: Tue Jan 19, 2016 5:27 pm    Post subject: Entry Levers - pins vs Rectangles and Name on Curta Reply with quote

According to http://www.vcalc.net/cu.htm They have a serial number 5790 with pins not sure what name is on the machine or can. Looking at whats claimed to be 3008 it has rectangles and only says Curta, can is shiny and also only says Curta. Does anyone have better info on when they switched from pins to rectangles and from "CURTA" system... to just CURTA on the machines and cans?


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murff



Joined: 27 Oct 2009
Posts: 592
Location: Switzerland

PostPosted: Tue Jan 19, 2016 8:41 pm    Post subject: Reply with quote

I can't open http://www.vcalc.net/cu.htm ...
See also: http://www.hpmuseum.org/forum/thread-5488.html

On the other side I know that there is no sharp line between the named versions of the early Curta Type I (pins as well as Curta writing)
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davhamm



Joined: 08 Nov 2015
Posts: 148
Location: Michigan

PostPosted: Tue Jan 19, 2016 9:20 pm    Post subject: Reply with quote

murff wrote:
I can't open http://www.vcalc.net/cu.htm ...
See also: http://www.hpmuseum.org/forum/thread-5488.html

On the other side I know that there is no sharp line between the named versions of the early Curta Type I (pins as well as Curta writing)


Works for me.

Hmm, interesting... well if I get it one of the first things will be to remove the bottom plate and confirm the Serial number
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Pete



Joined: 04 Mar 2010
Posts: 201
Location: Great White North

PostPosted: Fri Jan 29, 2016 12:23 am    Post subject: Reply with quote

davhamm wrote:

remove the bottom plate and confirm the Serial number


That's my recommendation - my 8xxx has block sliders, my earlier machines have pins, and everything about the machine pictured says it's later than 3xxx to me.
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davhamm



Joined: 08 Nov 2015
Posts: 148
Location: Michigan

PostPosted: Fri Jan 29, 2016 1:57 pm    Post subject: Reply with quote

Pete wrote:
davhamm wrote:

remove the bottom plate and confirm the Serial number


That's my recommendation - my 8xxx has block sliders, my earlier machines have pins, and everything about the machine pictured says it's later than 3xxx to me.


Didn't get it, so we will never know.
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stenella



Joined: 03 Jun 2008
Posts: 45
Location: Antwerp, Belgium

PostPosted: Sun Feb 21, 2016 11:12 pm    Post subject: Reply with quote

"everything about the machine pictured says it's later than 3xxx to me"

..everything except the can, which is definitely earlier with the matte paint. I would not exactly kill to find a can like that, but I would pay good money for one!

Cris
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Pete



Joined: 04 Mar 2010
Posts: 201
Location: Great White North

PostPosted: Mon Feb 22, 2016 5:54 pm    Post subject: Reply with quote

Cris, I'm pretty sure the can pictured is supposed to go with the pin-slider machine represented as 5790
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stenella



Joined: 03 Jun 2008
Posts: 45
Location: Antwerp, Belgium

PostPosted: Tue Mar 15, 2016 8:40 pm    Post subject: Reply with quote

Hmm, I disagree. The machine numbered 3000 something is the one with with plain shiny can and rectangular sliders. Clearly it had an accident with a broken off slider and was repaired, which necessitates replacement of all the pins as well as the main body cover. The machine pictured with pins is earlier than 2800 - it has the matte can and the top body ring engraved with the numbers. That makes it really really early.
Cris

PS - I must come here more often!
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