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It was in this field that the innovation introduced by ''Lewis Edson Waterman'' took place, which is often referred to, in an unfounded way, as the invention of the first fountain pen. In order to improve the transmission of the ink towards the nib, he made a series of engravings on the feeder creating a sort of "channels" on which the ink could flow by capillarity without overflowing and leaving enough space for the air to enter the pen tank. He thus produced one of the best and most reliable feeder of his time, whose success is at the root of the exaggerated claim to have created "the first practical fountain pen".

It was in this field that the innovation introduced by ''Lewis Edson Waterman'' took place, which is often referred to, in an unfounded way, as the invention of the first fountain pen. In order to improve the transmission of the ink towards the nib, he made a series of engravings on the feeder creating a sort of "channels" on which the ink could flow by capillarity without overflowing and leaving enough space for the air to enter the pen tank. He thus produced one of the best and most reliable feeder of his time, whose success is at the root of the exaggerated claim to have created "the first practical fountain pen".

[[Categoria:Tecnica]]

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