| 摘要 |
Apparatus capable of enabling a marker pen consistently to produce in a line or succession of lines a uniform and consistent colour change from one colour to another colour by enabling a liquid or dye to be conveyed from a nib 18 of a source 14 of liquid or dye of a first colour to a fluid absorbent nib 18' of a marker pen 14' containing liquid or dye of a second colour, the apparatus including a tubular docking member including at one end the source and its nib, and open at its other end to receive and engage the nibbed end of a marker pen, the length of the docking member being such as to enable the marker pen 14' selectively to be placed in contact 24 with the nib 18 of the source to cause liquid or dye to pass between the nib 18 of the source 14 and the nib 18' of the marker pen 14'.
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