The ink-fed pen holder combination has a writing instrument (1), a pen with a spring carrier (5) and an ink reservoir. The two recording pens (3,4) are placed in a fixed position in a writing instrument by a common spring carrier (2) or by two independent spring carriers, and are arranged variably movable in protrud...
Some fountain pens can sit for months and still write on the first stroke. Ironically, one of the best of these is among the cheapest: the Pilot Varsity, which practically never dries out. There are also pens with cap seals designed to minimize evaporation, including many Platinum pens, and...
Ms. Reiss and Ms. Marino tested the two dolphins many times with two pens. They used one pen filled with ink that made real marks. They also used a pen filled with water that did not make a mark. Each dolphin swam to the mirror to inspect the place where it had been marked with ...
The ink-fed pen holder combination has a writing instrument (1), a pen with a spring carrier (5) and an ink reservoir. The two recording pens (3,4) are placed in a fixed position in a writing instrument by a common spring carrier (2) or by two independent spring carriers, and are...
The present invention relates to an aqueous ink for ball point pens comprising a coloring pigment, a water-soluble organic solvent, water and a polysaccharide, wherein pigment particles of said coloring pigment gather and form a spotted agglomerate phase. The present invention also relates to an ...