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murff
Joined: 27 Oct 2009
Posts: 591
Location: Switzerland
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 Posted: Tue Jun 07, 2016 9:48 am Post subject: Variations of Curta Type I and II |
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Here is an overview about the different production variations of Curta Type I and II.
The information is collected from different web sources.
Variations of Curta Type I
Variations of Curta Type II
I'm not sure about the different canisters... they have no direct relation to the serial numbers, so there is only an estimation possible.
The list is a work in progress - so I would be glad to get your comments and suggestions 
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Last edited by murff on Sun Mar 11, 2018 8:33 am; edited 1 time in total |
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davhamm
Joined: 08 Nov 2015
Posts: 148
Location: Michigan
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| Posted: Mon Oct 17, 2016 12:10 am Post subject: |
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Not sure how I missed this post. Very cool. What do the numbers mean in the boxes? 968 known samples? but what is 901?
wait I think I got it those are serial numbers. In the () is the serial number of the one with that feature closest to start or end number.
Really cool, love the pics so its clear.
VERY WELL DONE SIR> |
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murff
Joined: 27 Oct 2009
Posts: 591
Location: Switzerland
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| Posted: Tue Oct 18, 2016 11:06 am Post subject: |
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Thanks!
And yes, you're reading the tables in the right way...
Variations of Curta Type II was updated with an other variation of the base plate.
Any further suggestions are welcome...
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Last edited by murff on Sun Mar 11, 2018 8:34 am; edited 1 time in total |
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murff
Joined: 27 Oct 2009
Posts: 591
Location: Switzerland
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| Posted: Tue Nov 15, 2016 8:21 pm Post subject: |
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... another update - this time metal cranks variations
Variations of Curta Type I
Variations of Curta Type II
Curta Type I - without / with white engraved arrow
Curta Type II - short crank / long crank, with white engraved arrow
- are there any short cranks with the arrow / or long cranks without the arrow... ?
[Mar 21, 2018]  there are about 1300 Curtas Type II with Crank metal short and with arrow
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Last edited by murff on Wed Mar 21, 2018 12:03 pm; edited 1 time in total |
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murff
Joined: 27 Oct 2009
Posts: 591
Location: Switzerland
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| Posted: Tue Mar 13, 2018 12:49 pm Post subject: |
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updated...
... now with 13 differentiators for Curta Type 1 respective 16 for Curta Type 2 with corresponding pictures.
Any feedback / suggestions are welcome!
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Last edited by murff on Wed Mar 21, 2018 12:04 pm; edited 1 time in total |
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2010*smiths
Joined: 18 Apr 2013
Posts: 52
Location: UK
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| Posted: Wed Mar 21, 2018 3:21 am Post subject: |
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| murff you are a very dedicated star. Many thanks for your efforts. |
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murff
Joined: 27 Oct 2009
Posts: 591
Location: Switzerland
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| Posted: Wed Mar 21, 2018 12:08 pm Post subject: |
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Thanks!
and
updated...
... now with 15 differentiators for Curta Type 1 respective 17 for Curta Type 2 with corresponding pictures.
Type 1: Four / two reversing lever arrows
Type 2: Crank metal short (with arrow)
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eteson
Joined: 28 Jun 2017
Posts: 23
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| Posted: Wed May 09, 2018 2:36 pm Post subject: |
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Hi Richard!
I have been cleaning my collection and found a variation that you could include between 1 and 2.
My 3198 has "Curta" apostrophe like your 2 var. but it has also numbers in the upper ring. If you need pics I coul try to take some good pictures.
Eliseo
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