piston [plunger] filler

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Pipette — A pipette (also called a pipet, pipettor or chemical dropper) is a laboratory instrument used to transport a measured volume of liquid.Use and variationsPipettes are commonly used in chemistry and molecular biology research as well as medical… … Wikipedia
Fountain pen — A fountain pen is a nib pen that, unlike its predecessor the dip pen, contains an internal reservoir of water based liquid ink. From the reservoir, the ink is drawn through a feed to the nib and then to the paper via a combination of gravity and… … Wikipedia

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