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    Re: A Diy E6-B?
    From: David Pike
    Date: 2021 Apr 15, 00:47 -0700

    Tony
    For your delectation.  The two slides on the left are front and back of the slide for the RAF Computer Dead Reckoning Mk4A.  Middle right is the slide for the Mk4B.  There’s a Mars Bar if you can tell me what the slide on the right is called and for, but Eric will need it if he’s going to fill in every little bit of the Vulcan Astro Form.  My autofocus appears confused by the grids.  I can photo separately if required.  DaveP

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