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    Re: sextant calibration
    From: Ken Gebhart
    Date: 2006 May 14, 21:15 -0500

    On 5/14/06 8:44 PM, "Robert Eno"  wrote:
    > Thanks Alex,
    > I will have to have a look at this as I was under the impression that
    > Cassens and Plath had developed this feature and that they were the only
    > ones who offered it.
    > Robert
    > ----- Original Message -----
    > From: "Alexandre E Eremenko" 
    > To: 
    > Sent: Sunday, May 14, 2006 9:07 PM
    > Subject: Re: sextant calibration
    >> Robert,
    >> In a message of April 6, 13:17:20 EDT
    >> Joel advertized a C. Plath Navistar Classic
    >> on e-bay, as "Their Finest sextant ever".
    >> It has this feature: compensation for the index error.
    >> You can still see the picture by clicking
    >> the link in this cited message.
    >> This is what I was refering to in my message.
    >> On my opinion, this feature is superfluous.
    >> As I understand, C. Plath is famous for the high quality
    >> frame. But I suppose that the frames of this type
    >> of all C. Plath sextants
    >> of the later years were manufactured by the same process.
    >> Alex
    >> On Sun, 14 May 2006, Robert Eno wrote:
    I agree with Robert.  I am quite sure that the feature was only on Cassens &
    Plath sextants.  If Joel said otherwise, I think he erred.

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