Performing of graphic works significantly faster if you add a spring reservoir for ink. Make it from medical pipette, attach it to the handle of the instrument with metal braces. So as not to crush the glass under the clamp should enclose a rubber gasket. At the end of the dropper is pushed tightly plastic or vinyl chloride tube with a diameter of 1.5…2 mm, bent so that its end is between the cheeks of spring. P. IVANOV, Stupino, Moscow region, Russia. .
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