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Showing results for tags 'geha 790'.
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From the album: OldTravelingShoe's Random Pics of European Fountain Pens
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From the album: OldTravelingShoe's Random Pics of European Fountain Pens
© (c) 2022 OldTravelingShoe. All rights reserved.
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From the album: OldTravelingShoe's Random Pics of European Fountain Pens
© (c) 2022 OldTravelingShoe. All rights reserved.
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From the album: OldTravelingShoe's Random Pics of European Fountain Pens
© (c) 2022 OldTravelingShoe. All rights reserved.
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From the album: OldTravelingShoe's Random Pics of European Fountain Pens
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From the album: OldTravelingShoe's Random Pics of European Fountain Pens
© (c) 2022 OldTravelingShoe. All rights reserved.
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I have a Geha 790 with a tendency to unscrew the piston threads as I turn the filling knob counter-clockwise to lower the piston for filling. Even if I'm careful I can't always determine when the piston has reached the limit of travel to stop turning. Can I apply rosin or some other substance to 'lock' the threads a bit tighter? Thanks in advance, Dave