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linktrain
 Post subject: Unusual slide rule
PostPosted: Sun Jan 19, 2014 4:22 pm 
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Do we have any information on the use of this unusual slide rule arrangement?
Any data available on the socalled "Polar" model?
At first glance this may be a flight level calculator, but closer study suggests not so.
Any information gratefully received.


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Roffensian
 Post subject: Re: Unusual slide rule
PostPosted: Sun Jan 19, 2014 4:23 pm 
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It's a very low end fake that looks nothing like any real model.
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P51
 Post subject: Re: Unusual slide rule
PostPosted: Sun Jan 19, 2014 6:09 pm 
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This appears to be a rotating bezel for bearings, East and West of north and allows you to adjust the northing on the fly. Its not a slide rule as such.

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Dracha
 Post subject: Re: Unusual slide rule
PostPosted: Mon Jan 20, 2014 2:31 am 
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Roffensian wrote:
It's a very low end fake that looks nothing like any real model.


+1

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