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    Re: Instrument Engraved Marking Restoration - Help
    From: W F Jones
    Date: 2010 Mar 02, 14:11 -0500

    Hi Henry
    
    I do have my old Faber-Castell pen set which still has a bottle of black
    drawing ink.  I bought it in the early 70's only to discover the firm I
    joined had a wonderful drafting department which used pencils and took a
    dim view of anyone requesting ink work.  I got over the ink matter
    quickly and let them do my drawings.  The finest point in my set is
    0.1mm and the largest point is 0.8mm.
    
    I will run a test with my ink first.  I recall vividly using one of the
    pens when the set was purchased.  Everything went as expected until
    clean-up time.  It took a long time to get the pen clean, I had ink
    spots on the wall, my clothing and everything within sight.  My wife
    yelled something that shouldn't be repeated but it included "ball point
    pen".
    
    I've never used lampblack, it sounds messy.  Did you purchase or brew
    your own?
    
    Frank J.
    Rochester, NY
    
    On 3/2/2010 11:11 AM, hch wrote:
    > Frank,
    > I recently had the problem of remarking the micrometer drum of a Husun 3
    > ring sextant from which all markings had been obliterated. I had
    > excellent results in remarking by using a Rapidograph #0 drawing pen
    > loaded with waterproof India Ink. The pen nib just fit the marking
    > recesses and the ink flowed beautifully, doing a real professional
    > looking job with no overflow or residual mess to clean up or polish off
    > - don't see why the same procedure should not work in redoing the arc.
    > In the past, I have also had good luck in redoing the markings on silver
    > arcs and verniers by using a light solution of lampblack and oil -
    > rubbing same on and lightly wiping off the excess. Good luck and,
    > Regards,
    > Henry
    >
    > --- On *Tue, 3/2/10, WF Jones //* wrote:
    >
    >
    >     From: WF Jones 
    >     Subject: [NavList] Instrument Engraved Marking Restoration - Help
    >     To: "NavList" 
    >     Date: Tuesday, March 2, 2010, 12:12 AM
    >
    >     I've recently acquired an old but rarely used Weems & Plath
    >     navigational proportional divider for my modest collection of
    >     navigational devices. The scales are lightly engraved and in some
    >     areas the black substance (pigment + filler) has been lost. I hope
    >     some of you may suggest a suitable restoration material and hints
    >     regarding the best restoration method to use. In advance, thanks for
    >     all help.
    >
    >     Frank J.
    >     Rochester, NY
    >
    >
    >
    >
    
    
    
    

       
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